Home

United States Patents Related to Insulators Listed by Number and Date

You can also go to http://www.uspto.gov/patft for this information but you first need to download the plug-in at http://www.uspto.gov/patft/images.htm

Patent
Number
Date Inventor(s) Title
5,889 1848, Oct. 31 Livingston, L. R. (Livingston, L.R., J.J. Roggen, & Calvin Adams) Improvement in Insulating-Supports for Telegraph-Wires
5,889 1848, Oct. 31 Roggen, J. J. (Livingston, L.R., J.J. Roggen, & Calvin Adams) Improvement in Insulating-Supports for Telegraph-Wires
5,889 1848, Oct. 31 Adams, Calvin (Livingston, L.R., J.J. Roggen, & Calvin Adams) Improvement in Insulating-Supports for Telegraph-Wires
6,779 1849, Oct. 9 Livingston, L. R. (Livingston, L.R., J.J. Roggen, Calvin Adams, Amos Kendall, & Alfred Vail) Improvement in Insulating-Supports for Telegraph-Wires
6,779 1849, Oct. 9 Roggen, J. J. (Livingston, L.R., J.J. Roggen, Calvin Adams, Amos Kendall, & Alfred Vail) Improvement in Insulating-Supports for Telegraph-Wires
6,779 1849, Oct. 9 Adams, Calvin (Livingston, L.R., J.J. Roggen, Calvin Adams, Amos Kendall, & Alfred Vail) Improvement in Insulating-Supports for Telegraph-Wires
6,779 1849, Oct. 9 Kendall, Amos (Livingston, L.R., J.J. Roggen, Calvin Adams, Amos Kendall, & Alfred Vail) Improvement in Insulating-Supports for Telegraph-Wires
6,779 1849, Oct. 9 Vail, Alfred (Livingston, L.R., J.J. Roggen, Calvin Adams, Amos Kendall, & Alfred Vail) Improvement in Insulating-Supports for Telegraph-Wires
7,076 1850, Feb. 5 Spratt, James Improvement in Attachments for Lightning-Conductors
8,075 1851, May 6 Goodyear, Nelson Improvement in the Manufacture of India-Rubber
8,316 1851, Aug. 26 Otis, George W. Improvement in Insulators for Lightning-Rods
8,418 1851, Oct. 14 Batchelder, John M. Improvement in Insulators for Telegraph-Wires
8,419 1851, Oct. 14 Robbins, Zenas C. Insulators for Telegraph-Wires
8,438 1851, Oct. 14 Yandell, John Improvement in Insulators for Telegraphs
11,539 1854, Aug. 15 Webb, Timothy, U. Insulator for lightning-Rods
13,162 1855, July 3 Dwyer, Robert D. Improvement in Attachments for Lightning-Rods
13,402 1855, Aug. 7 Stone, Amasa Forming Screw Threads, &c., in the Necks of Glass Bottles and Similar Articles
20,916 1858, July 13 Schrage, Victor Improved Device for Securing Lightning-Rods
24,110 1859, May 24 Enggren, John A. Improved Device for Securing Lightning-Rods
21,492 1858, Sept. 14 Farmer, Moses G. (Farmer, Moses G., & John M. Batchelder) Improvement in Telegraph-Insulators
21,492 1858, Sept. 14 Batchelder, John M. (Farmer, Moses G., & John M. Batchelder) Improvement in Telegraph-Insulators
22,188 1858, Nov. 30 McLeod, N. N. Improved Supporting-Insulator for Lightning-Rods
23,373 1859, March 29 Hickok, Russel Improved Insulators for Lightning-Rods
27,977 1860, April 24 Fox, Myron Improved Method of Insulating and Supporting Lightning-Rods
28,263 1860, May 15 Engler, Louis Improved Insulator for Electrodes
39,613 1863, Aug. 18 Eagles, Edwin Improvement in Insulators for Lightning-Conductors
41,157 1864, Jan 5 Holland, James Improvement in Insulators for  Telegraph-Wires
45,221 1864, Nov. 29 Brooks, David Improvement in Insulators for Telegraph-Wires
47,141 1865, April 4 Van Choate, S. F. Improvement in Insulators for Telegraphs
48,906 1865, July 25 Cauvet, Louis A. Improvement in Insulators for Telegraph-Wires
49,482 1865, Aug. 15 Ward, Henry H. Improvement in Insulators for Telegraph-Wires
51,934 1866, Jan. 9 Ely Alfred B. Telegraph Insulator
52,761 1866, Feb 20 Smith, W. W. Improvement in Telegraph-Insulators
53,201 1866, March 13 Waddell, William W. Telegraph Insulator
53,246 1866, March 13 Smith, W. W. Improvement in Telegraph-Insulators
53,426 1866, March 27 Ely Alfred B. Improvement in Telegraph-Insulators
53,427 1866, March 27 Ely Alfred B. Improvement in Telegraph-Insulators
56,542 1866, July 24 Ely Alfred B. Improvement in Telegraph-Insulators
58,594 1866, Oct. 9 Burnap, William H. (Burnap, William H., & John D. Brassington) Improvement in Telegraph-Insulators
58,594 1866, Oct. 9 Brassington, John D. (Burnap, William H., & John D. Brassington) Improvement in Telegraph-Insulators
63,206 1867, March 26 Brooks, David Improvement  in Insulators for Telegraph-Wires
64,315 1867, April 30 Hendrickson, Stephen C. Improvement in Telegraph-Insulators
64,654 1867, May 14 Floyd, George Improvement in Insulators
65,886 1867, June 18 Day, Alfred B. Improvement in Insulators for Telegraph-Wires
66,054 1867, June 25 Stebbins, Darious Improvement in Lightning-Rod Insulators
2,717 Reissue 1867, Aug. 6 Brooks, David Improvement in Insulators for Telegraph-Wires
66,215 1867, July 2 Carlow, Richard Improvement in Insulator-Holders
66,453 1867, July 9 Boynton, John F. Improvement in Insulators for Telegraphs
69,622 1867, Oct. 8 Brooks, David Improvement in Insulators for Telegraphs
70,052 1867, Oct. 22 Waite, John L. Improvement in Telegraph-Insulators
70,132 1867, Oct. 22 Teller, Daniel W. (Teller, Daniel W. & Savage, William L.) Improvement in Telegraph-Insulators
70,132 1867, Oct. 22 Savage, William L. (Teller, Daniel W. & Savage, William L.) Improvement in Telegraph-Insulators
70,170 1867, Nov. 12 Lockhart, Thomas J. Improvement in Insulators for Lightning-Rods
70,170 1867, Nov. 12 Locke, Josiah Improvement in Insulators for Lightning-Rods
71,418 1867, Nov. 26 Simonds, W. Edgar Improvement in Telegraph-Insulators
71,564 1867, Nov. 26 Wood, Merritt L. Improvement in Telegraph-Insulators
75,365 1868, March 10 Castle, Alfred H. Improvement in Insulators
75,492 1868, March 10 Varley, Cromwell, F. Improvement in Telegraph-Poles
75,815 1868, March 24 Varley, Cromwell, F. Improvement in Insulators for Telegraphs
75,889 1868, March 24 Finn, J. L. Improvement in Telegraph-Insulators
76,358 1868, April 7 Varley, Cromwell, F. Improvement in Electric Telegrapher
76,960 1868, April 21 Varley, Cromwell, F. Improvement in Insulators for Telegraph
79,951 1868, July 14 Castle, Alfred H. Improvement in Insulators
83,685 1868, Nov. 3 Bicknell, Alfred Improvements in Sash-Guide Blocks
87,187 1869, Feb. 23 Merrick Jr., John M. Improved Composition-Insulator for Telegraph & Other Electric Conductors
92,111 1869, June 29 Simonds, W. Edgar Improvement in Telegraph-Insulators
92,999 1869, July 6 Fry, John W. Improvement in Telegraph-Insulators
93,410 1869, Aug. 10 Burnham, John Improvement in Insulators for Lightning-Rods
94,037 1869, Aug. 24 Scott, Franklin Improvement in Insulators
96,198 1869, Oct. 26 Busch, Charles Improved Insulator for Telegraph-Wires
97,318 1869, Nov. 30 Safford, Alfred G. Improvement in Telegraph-Insulators
97,392 1869, Nov. 30 Guseman, W. D. (Guseman, W. D. & Bright, E. C.) Improved Insulator for Telegraph-Wires
97,392 1869, Nov. 30 Bright, E. C. (Guseman, W. D. & Bright, E. C.) Improved Insulator for Telegraph-Wires
99,145 1870, Jan. 25 Brooke, Homer Improvement in the Manufacture of Insulators for Telegraph-Poles
99,873 1870, Feb. 15 Finley, Stephen L. Improvement in Insulators for Telegraphs
3,847 Reissue 1870, Feb. 22 Cauvet, Louis A. Improvement in Insulators
103,122 1870, May 17 Baker, Robert Breckenridge Improvement in Insulators for Telegraph-Wires
103,555 1870, May 31 Brookfield, James M. Improved Mode of Forming Insulators
105,252 1870, July 12 Robertson, Orris W. Improvement in Battery-Insulators
105,625 1870, July 26 Baldwin, William W. Improvement in Telegraph-Insulators
105,656 1870, July 26 Dechant, William H. Improvement in Cramp-Hook for Telegraphic-Wire Insulators
105,834 1870, July 26 Oakman, Samuel Improvement in Telegraph-Insulators
107,075 1870, Sept. 6 McKee, Samuel Improvement in Telegraph-Insulators
107,303 1870, Sept. 13 Stearns, Joseph B. Improvement in Attaching Insulators to Telegraph-Poles
109,461 1870, Nov. 22 Smith, Ashbel Grattan (Smith, Ashbel Grattan & Pettingell, William) Improvement in Insulators for Telegraph-Wires
109,461 1870, Nov. 22 Pettingell, William (Smith, Ashbel Grattan & Pettingell, William) Improvement in Insulators for Telegraph-Wires
109,879 1870, Dec. 6 De Montufar, Manuel Improvement in Insulators for Telegraph-Wires
110,645 1871, Jan. 3 Garity, John Improvement in Glass Telegraph-Insulators
112,281 1871, Feb. 28 Robbins, Zenas C. Improvement in Insulators for Telegraph-Wires
113,393 1871, April 4 Brookfield, William Improvement in the Modes of Making Telegraph-Insulators
114,924 1871, May 16 Chester, Stephen Improvement in Telegraph-Insulators
115,521 1871, May 30 Read, Horatio Improvement in Insulators for Telegraph-Wires
120,884 1871, Nov. 14 Kidwell, George W. Improvement in Telegraph-Insulators
121,368 1871, Nov. 28 Holley, Minard Y. Improvement in Telegraph-Insulators
122,015 1871, Dec. 19 Hemingray, Robert Improvement in Molding Telegraph-Insulators
122,961 1872, Jan. 23 Pond, Chester H. Improvement in Telegraph-Insulators
123,198 1872, Jan. 30 Robertson, John Improvement in Telegraphic Insulators and Brackets
123,878 1872, Feb. 20 Emminger, David R. P. Improvement in Telegraph-Insulators
124,199 1872, March 5 Farmer, Moses G. Improvement in Telegraph-Insulators
124,200 1872, March 5 Farmer, Moses G. Improvement in Telegraph-Insulators
124,201 1872, March 5 Farmer, Moses G. Improvement in Compounds for Insulating Telegraph-Wires, & c.
126,027 1872, April 23 Conklin Jr., Joseph I. Improvement in Insulators for Telegraph-Wires
129,465 1872, July 16 Davis, Augustus G. Improvement in Battery-Insulators
129,724 1872, July 23 Farmer, Moses G. Improvement in Insulators for Telegraphic Uses
131,153 1872, Sep. 10 Deemer, Henry C. (Deemer, Henry C. & Eufinger, Joseph W.) Improvement in Press for Making Glass-Insulators
131,153 1872, Sep. 10 Eufinger, Joseph W. (Deemer, Henry C. & Eufinger, Joseph W.) Improvement in Press for Making Glass-Insulators
132,214 1872, Oct. 15 Oakman, Samuel Improvement in Formers for Segmentally Screw-Threaded Insulators
132,215 1872, Oct. 15 Oakman, Samuel Improvement in Formers for Segmentally Screw-Threaded Insulators
133,595 1872, Dec. 3 Rogers, Henry J. Improvement in Insulation of Telegraph-Lines
135,334 1873, Jan. 28 Hendricks, Nathan Improvement in Telegraph-Insulators
136,191 1873, Feb. 25 Thomas, James H.  Improvement in Insulators for Battery-Cups
138,489 1873, May 6 Eby, Peter (Eby, Peter & Fenninger, Michael B.) Improvement in Insulators for Telegraph-Lines
138,489 1873, May 6 Fenninger, Michael B. (Eby, Peter & Fenninger, Michael B.) Improvement in Insulators for Telegraph-Lines
138,512 1873, May 6 Merrell, Edward A. Improvement in Insulators for Telegraph-Lines
139,436 1873, May 27 Tatom, Isaac I. Improvement in Insulators for Telegraph-Lines
145,997 1873, Dec. 30 Fox, Christian (Fox, Christian & Heston, Elisha G.) Improvement in Telegraph Insulators
145,997 1873, Dec. 30 Heston, Elisha G. (Fox, Christian & Heston, Elisha G.) Improvement in Telegraph Insulators
146,996 1874, Feb. 3 Eby, Peter Improvement in Telegraph Insulators
149,762 1874, April 14 Le Baron, Charles L. Improvement in Telegraph Insulators
149,763 1874, April 14 Le Baron, Charles L. Improvement in Telegraph-Insulators
154,253 1874, Aug. 18 Le Baron, Charles L. Improvement in Telegraph-Insulators
154,451 1874, Aug. 25 Brooke, Homer Improvement in Telegraph-Insulators
158,868 1875, Jan 19 Smith, Isaac Improvement in Insulating Compounds
161,058 1875, March 23 Pidgeon, George S. Improvement in Insulating-Blocks for Telegraph-Lines
183,865 1876, Oct. 31 Reynolds, David M. Improvement in Telegraph-Insulators
184,509 1876, Nov. 21 Cunningham, Robert A. (Cunningham, Robert A. & Crowell, David F.) Improvement in Telegraph-Insulators
184,509 1876, Nov. 21 Crowell, David F. (Cunningham, Robert A. & Crowell, David F.) Improvement in Telegraph-Insulators
187,183 1877, Feb. 6 Seiler, Paul Improvement in Telegraph-Insulators
194,220 1877, Aug. 14 Chambers, Josephus C. Improvement in Lightning-Rods and Insulators
200,124 1878, Feb. 12 Brooks, David Improvement in Telegraph-Insulators
201,544 1878, March 19 Matthewman, Joseph Improvement in Insulators for Telegraph-Wires
201,615 1878, March 26 Johnson, Walter C. (Johnson, Walter C. & Phillips, Samuel E.) Improvement in Insulators for Telegraph-Wires
201,615 1878, March 26 Phillips, Samuel E. (Johnson, Walter C. & Phillips, Samuel E.) Improvement in Insulators for Telegraph-Wires
216,138 1879, June 3 Bloomfield, John H.  Improvement in Telegraph-Insulators
217,427 1879, July 8 Taylor, Burnley Improvement in Telegraph-Insulators
224,504 1880, Feb. 10 Chambers, Josephus C. Insulated Cresting
228,077 1880, May 25 Jobbins, William F. Telegraphic and Telephonic Insulator
230,290 1880, July 20 Lilly, Charles II Lightning-Rod Insulator
9,392 Reissu 1880, Sept. 28 Brookfield, James M. Mode of Forming Insulators
234,523 1880, Nov. 16 Bigeon, Charles Telegraph Insulator
242,825 1881, June 14 Hemingray, Robert Glass-Press for the Manufacture of Insulators
243,782 1881, July 5 Mayall, Thomas J. Compound Substance for Electric Insulators
247,100 1881, Sept. 13 Oakman, Samuel Process of Forming Screws in Articles of Glass
252,857 1882, Jan. 24 Gore, Charles L. Insulator for Telegraph-Wires
254,610 1882, March 7 Capewell, William H.  Insulator for Telegraph-Wires
255,800 1882, Apr. 4 Lewis, Albert C. Insulator for Electrical Conductors
262,210 1882, Aug. 8 Eckert, William H. (Eckert, William H., Eckert Edward A. & Seely, John A.) Combined Insulator, Lightning-Arrester, and Conductor
262,210 1882, Aug. 8 Eckert, Edward A. (Eckert, William H., Eckert, Edward A. & Seely, John A.) Combined Insulator, Lightning-Arrester, and Conductor
262,210 1882, Aug. 8 Seely, John A. (Eckert, William H., Eckert, Edward A. & Seely, John A.) Combined Insulator, Lightning-Arrester, and Conductor
268,075 1882, Nov. 28 Brown, Gouverneur M. Noise-Deadening Insulator
269,933 1883, Jan. 2 Higgs, Paget (Higgs, Paget & Courtenay, William) Insulator for the Suspension of Electrical Wire Conductors
269,933 1883, Jan. 2 Courtenay, William (Higgs, Paget & Courtenay, William) Insulator for the Suspension of Electrical Wire Conductors
271,825 1883, Feb. 6 Fiske, Henry G. Fastening for Electric-Circuit Wires
272,069 1883, Feb 13 Mace, Theodore Insulator for Electric Conductors
274,821 1883, March 27 Reiff, William H. Electric-Wire Insulator
276,839 1883, May 1 Lewis, Joseph S. Insulator for Telegraph-Wires
280,324 1883, June 26 Nople, John E. Combined Insulator and Lightning Arrester
280,947 1883, July 10 Ohl, Percy C. Insulator for Electrical Conductors
286,681 1883, Oct. 16 Bowen, William J. Acoustic and Electric Insulator
286,801 1883, Oct. 16 Fiske, Bradley A. (Fiske, Bradley A. & Mott, Samuel D.) Insulator
286,801 1883, Oct. 16 Mott, Samuel D. (Fiske, Bradley A. & Mott, Samuel D.) Insulator
287,830 1883, Nov. 6 Hinsdale, Charles C. Telegraph Insulator
288,360 1883, Nov. 13 Oakman, Samuel Telegraph-Insulator
289,449 1883, Dec. 4 Rousseau, Necter Insulator
289,890 1883, Dec. 11 Chambers, Josephus C. Telegraph and Telephone Conductor
289,891 1883, Dec. 11 Chambers, Josephus C. Telegraph and Telephone Cable
290,922 1883, Dec. 25 Pope, Frank L.  Insulator for Electrical Conductors
291,072 1884, Jan 1. Murphy, Edward J. Press for Molding Glass Insulators
293,242 1884, Feb. 12 Hale, Albert W. Insulator for Electric Wires
293,901 1884, Feb. 19 McGrory, Thomas Lock Wire Insulator
294,384 1884, March 4 Hale, Albert W. Insulator for Electric Conductors
294,563 1884, March 4 Beach, William W. Insulator for Electric Wires
296,330 1884, April 8 Gilliland, James F. Insulator for Line-Wires of Mechanical Telephones
296,688 1884, April 8 Haines, David S. (Haines, David S. & Lake, Stephen D.) Insulating-Support for Electric Conductors
296,688 1884, April 8 Lake, Stephen D. (Haines, David S. & Lake, Stephen D.) Insulating-Support for Electric Conductors
296,881 1884, April 15 Seely, John A.               Insulator
297,101 1884, April 22 Baldwin, Luther C. (Baldwin, Luther C. & Thurston, John C.) Insulator for Telegraph-Wires
297,101 1884, April 22 Thurston, John C. (Baldwin, Luther C. & Thurston, John C.) Insulator for Telegraph-Wires
297,699 1884, April 29 Klein, John M. Pin for Insulators
297,865 1884, April 29 Snee, William Machine for Making Insulator Pins
298,593 1884, May 13 Lewis, Joseph S. Insulator
298,594 1884, May 13 Lewis, Joseph S. Terminal Insulator
301,446 1884, July 1 Hale, Albert W. Insulator for Electric Wires
303,399 1884, Aug. 12 Prince, George Washington Electric Wire Insulator
303,483 1884, Aug. 12 Bailey, Charles DeRoy Insulator
303,877 1884, Aug. 19 Neblett, Charles Insulator-Supporting Bracket for Electric Wires
303,936 1884, Aug. 19 Krell, Emil F. Machine for Making Glass Insulators
304,699 1884, Sept. 9 Broomhall, George L. Insulating Device
304,748 1884, Sept. 9 Oakman, Samuel Mold for Making Glass Insulators
305,020 1884, Sept. 9 Ruth, John Anthony Insulator for lightning-Rods
306,146 1884, Oct. 7 Gray, Lawrence B. Press for Molding Glass Insulators
306,147 1884, Oct. 7 Gray, Lawrence B. (Gray, Lawrence B. & Ham, Joseph) Press for Molding Glass Insulators
306,147 1884, Oct. 7 Ham, Joseph (Gray, Lawrence B. & Ham, Joseph) Press for Molding Glass Insulators
306,718 1884, Oct. 21 Clark, Eduard Insulator
306,719 1884, Oct. 21 Clark, Eduard Insulator
307,916 1884, Nov. 11 Cleveland, John S. (Cleveland, John S. & Kent, George F.) Insulator
307,916 1884, Nov. 11 Kent, George F. (Cleveland, John S. & Kent, George F.) Insulator
310,059 1884, Dec. 30 James, Hamilton J. Insulator
310,484 1885, Jan. 6 Weyman, George W. Press for the Manufacture of Insulators and Other Glass Articles
313,377 1885, March 3 Sawyer, William H. Clamp for Binding Wires to Insulators
315,660 1885, April 14 Prenzel, Henry Supporting-Insulator for Telegraph-Wires
316,469 1885, April 28 Locke, Joseph (Locke, Joseph & Bowker, William) Electric-Wire Insulator
1885, April 28 Bowker, William (Locke, Joseph & Bowker, William) Electric-Wire Insulator
316,812 1885, April 28 O'Brien, John Telegraph-Insulator
317,479 1885, May 5 Wright, William H. Insulator for Electric Wires
319,447 1885, June 9 Broomhall, George L. Insulator
321,646 1885, July 7 Schoonmaker, Edward T. Electric-Wire Insulator
323,055 1885, July 28 McGrory, Thomas Insulator
324,157 1885, Aug. 11 Pennyciuck, James G. Method of forming Screw-Threads on glass
324,692 1885, Aug. 18 Hill, George W. Insulator for Securing Telegraph and Other Wires
324,957 1885, Aug. 25 Putnam, Jacob D. Telegraph-Insulator
328,728 1885, Oct. 20 Smith, Leonard C. Insulator
328,929 1885, Oct. 27 Fawcett, William N. (Fawcett, William N. & Huntley, George F.) Electric-Wire Insulator and Supporter
328,929 1885, Oct. 27 Huntley, George F. (Fawcett, William N. & Huntley, George F.) Electric-Wire Insulator and Supporter
330,173 1885, Nov. 10 Tringham, John Watson Means for Supporting Electrical Wires
332,061 1885, Dec. 8 Deblieux, Benjamin Noel Telegraph-Insulator
336,276 1886, Feb. 16 Wilson, John Insulator for Telegraph-Wires
336,828 1886, Feb. 23 Travis, Charles L. Insulator
340,734 1886, April 27 Seaboldt, Bert Electric-Wire Insulator
342,320 1886, May 25 Blake, Edwin Colwell (Blake, Edwin Colwell & Trimnell, Ernest Clayton) Electric Circuit-Wire Insulator
342,320 1886, May 25 Trimnell, Ernest Clayton (Blake, Edwin Colwell & Trimnell, Ernest Clayton) Electric Circuit-Wire Insulator
346,475 1886, Aug. 3 Emery, Edward C. Insulator-Block for Electric Conductors
346,971 1886, Aug 10 Wilson, John Telegraph-Insulator
346,972 1886, Aug. 10 Wilson, John Telegraph-Insulator
347,454 1886, Aug 17 Wilson, John Telegraph-Wire and Insulator Fastening
347,635 1886, Aug. 17 O'brien, John Telegraph Insulator
347,943 1886, Aug. 24 Leonardson, John M. Insulator for Electric Wires
349,788 1886, Sept. 28 Fitch, Nathan T. Insulator
352,436 1886, Nov. 9 Winton, Henry D. Electric Insulator
352,437 1886, Nov. 9 Winton, Henry D. Electric Insulator
353,120 1886, Nov. 23 Brown, Robert G. Insulator
361,759 1887, April 26 Gilson, Samuel H. Composition for Pipes, Artificial Stone, & Other Articles
362,076 1887, May 3 Gilson, Samuel H. Composition for Insulating and Other Purposes
367,164 1887, July 26 Ruger, Henry K. Insulator
368,284 1887, Aug. 16 Fletcher, John R. Electric Wire Clamp Insulator
369,447 1887, Sept. 6 Greenfield, Edwin T. Insulator
372,940 1887, Nov. 8 Soden, Francis H. (Soden, Francis H. & Goehst, Henry) Insulating Joint
372,940 1887, Nov. 8 Goehst, Henry (Soden, Francis H. & Goehst, Henry) Insulating Joint
375,276 1887, Dec. 20 Emery, Edward C. Insulator
378,971 1888, March 6 Neal, Lewis M. Insulator
383,734 1888, May 29 Keyes, Frank E. Insulator for Electrical Wires
386,111 1888, July 17 Cutler, Henry H. Electric Wire Insulator
386,986 1888, July 31 Joslin, William E. Electric Insulator-PEG.
390,741 1888, Oct. 9 Adams, Thomas E. Insulator or Bracket-Support for Electric Wires
391,512 1888, Oct. 23 Cleveland, William B. Electric Switch
396,334 1889, Jan. 15 Gilson, Samuel H. Overhead Insulator
398,025 1889, Feb. 19 Brown, Warren C. Insulator
402,592 1889, May 7 Heavside, Arthur W. Electric-Wire Insulator
402,752 1889, May 7 Lock, Frederick M. (Locke, Frederick M. & Lapp, John) Insulator
402,752 1889, May 7 Lock, Frederick M. (Locke, Frederick M. & Lapp, John) Insulator
402,810 1889, May 7 Denver, William J. Supporting and Cross-Connecting Electric Wires
403,491 1889, May 14 Smith, Thomas J. Insulating Device for Line-Wires
403,727 1889, May 21 Berrang, Jacob C. Insulator
406,041 1889, July 2 Gill, James C. Insulator for Electric Wires
406,994 1889, July 16 Chinnock, Frank R. Electric Wiring
407,271 1889, July 16 Woodward, Arthur T. Plastic Compound
408,383 1889, Aug. 6 Graham, Carroll G. Line-Wire Insulator
410,637 1889, Sept. 10 Davis, William M. Insulator
411,801 1889, Oct. 1 Fletcher, John R. Wire Holder and Insulator
413,146 1889, Oct. 15 McCarthy, Louis Insulator
415,864 1889, Nov. 26 Gilson, Samuel H. Composition for Overhead Insulators
418,369 1889, Dec. 31 Huff, George E. Screw-Cleat for Electric Wires
419,642 1890, Jan. 21 Cornog, Isaac P. Insulator for Electric Wires
419,875 1890, Jan. 21 Pease, Jacob Screw-Press for Insulators
421,819 1890, Feb. 18 Davy, John W. Insulator
422,651 1890, March 4 Stanley, George Edward Insulator
425,513 1890, April 15 Kookogey, William P. Insulator
427,296 1890, May 6 Buzby, Joseph F. Insulator
430,296 1890, June 17 Oakman, Samuel Insulator
430,696 1890, June 24 Seamon, William H. Insulator
433,561 1890, Aug. 5 Furlong, Lawrence Cleat for Electric Wires
434,144 1890, Aug. 12 Dunbar, John K. Electric Insulator
434,879 1890, Aug. 19 Oakman, Samuel Electric Insulator
436,120 1890, Sept. 9 Chubbuck, H. Eugene Insulator-Bracket
437,685 1890, Oct. 7 Gaynor, Thomas F. Insulator
440,042 1890, Nov. 4 Kessler, William Insulator for Electric Conductors
443,187 1890, Dec. 23 Bain, Forée Electric Insulator
444,317 1891, Jan. 6 Potter, John S. (Potter, John S. & Cartwright, David J.) Electric-Wire Insulating-Cleat
444,317 1891, Jan. 6 Cartwright, David J. (Potter, John S. & Cartwright, David J.) Electric-Wire Insulating-Cleat
444,879 1891, Jan. 20 Elkinis, Charles Insulator
445,790 1891, Feb. 3 Winton, Henry D. Insulator
448,395 1891, March 17 Wheeler, George K. Insulator
448,956 1891, March 24 Graham, George H. (Graham, George H. & Gannane, Thomas) Electric Insulator
448,956 1891, March 24 Gannane, Thomas (Graham, George H. & Gannane, Thomas) Electric Insulator
450,294 1891, April 14 Lieb, Charles A. (Lieb, Charles A. & Lavens, Erwin) Insulator
450,294 1891, April 14 Lavens, Erwin (Lieb, Charles A. & Lavens, Erwin) Insulator
450,384 1891, April 14 Bertolette, Daniel A. Electric-Wire Insulator
450,708 1891, April 21 Creighton, Theodore Insulator
451,950 1891, May 12 Oakman, Samuel Electric Insulator
458,964 1891, Sept. 1 Ball, Henry Price Cleat for Electric Wires
459,686 1891, Sept 15 Gerrard, Clarence L. Insulator
460,448 1891, Sept. 29 Ross, Frank Atherton Insulator
461,631 1891, Oct. 20 Hewett, Robert Josephus Insulating-Support for Electric Conductors
462,862 1891, Nov. 10 Gray, Lawrence B. Press for Molding Glass Insulators
463,587 1891, Nov. 17 Thomas, Van A. Insulator-Bracket
463,588 1891, Nov. 17 Thomas, Van A. Insulator-Bracket
463,955 1891, Nov. 24 Newell, Hiram F. Electric-Wire Insulator
464,770 1891, Dec. 8 Green, John J. (Green, John J. & Brown, George C.) Clamp for Electric Wires
464,770 1891, Dec. 8 Brown, George C. (Green, John J. & Brown, George C.) Clamp for Electric Wires
465,961 1891, Dec. 29 Albanese, Giuseppe Sacco Insulator
466,726 1892, Jan. 5 Norgrave, George B. Insulator
467,941 1892, Feb. 2 Lee, Charles Tennant Insulator
467,942 1892, Feb. 2 Lee, Charles Tennant Insulator
469,940 1892, March 1 Hammond, Charles N. Insulator
474,319 1892, May 3 Goodrich, Charles F. Insulator
476,207 1892, May 31 Locke, Fred M. Insulator-Pin
476,813 1892, June 14 Pass, James (Pass, James & Seymour, Albert P.) Porcelain Insulator
476,813 1892, June 14 Seymour, Albert P. (Pass, James & Seymour, Albert P.) Porcelain Insulator
476,827 1892, June 14 Seymour, Albert P. Wire-Cleat
476,828 1892, June 14 Seymour, Albert P. Circuit-Breaking Insulator
476,964 1892, June 14 Seymour, Albert P. Insulating-Tube for Electric Conductors
477,753 1892, June 28 Goold, Frederick D'A Insulator
477,980 1892, June 28 Wirt, Herbert C. Insulator
479,134 1892, July 19 Conover, Chauncey Eugene Insulator
480,011 1892, Aug. 2 Green, John J. Insulator
481,624 1892, Aug.30 Pass, James (Pass, James & Seymour, Albert P.) Ceiling-Rosette Cut-Out
481,624 1892, Aug.30 Seymour, Albert P. (Pass, James & Seymour, Albert P.) Ceiling-Rosette Cut-Out
482,297 1892, Sept. 6 Clark, William H. Electric Insulator
482,872 1892, Sept. 20 Lee, Charles Tennant Insulator
482,913 1892, Sept. 20 Brooks, Herbert H Insulator
483,771 1892, Oct. 4 Seymour, Albert P. Insulator
484,209 1892, Oct. 11 Lock, Fred M. Insulator
485,106 1892, Oct. 25 Lee, Charles Tennant Insulator
488,046 1892, Dec. 13 Wirt, Charles Insulator
489,658 1893, Jan. 10 McCarthy, Louis Strain-Insulator
490,560 1893, Jan. 24 Hauty, Auguste Joseph Insulator
491,208 1893, Feb. 7 Edmunds, William H. Insulator-Clip
491,362 1893, Feb. 7 Lane, Augustus R. Insulator
493,434 1893, March 14 Locke, Fred M. Insulator-Pin
495,552 1893, April 18 Hills, Louis Insulator
496,652 1893, May 2 Hemingray, Ralph G. & Gill, James C.) Insulator for Telegraph-Wires
496,652 1893, May 2 Gill, James C. (Hemingray, Ralph G. & Gill, James C. Insulator for Telegraph-Wires
497,515 1893, May 16 Brady, Thomas H. Insulator
502,614 1893, Aug. 1 Clarke, Edward H. Cleat for Insulated Wires
503,384 1893, Aug. 15 Pawolowski, Jacob Cleat for Electric Wires
503,778 1893, Aug. 22 Trimble, William D. Insulator for Electric Wires
504,059 1893, Aug. 29 Blackburn, George W. Insulator
505,123 1893, Sept. 19 O'Neill, James J. Insulator-Pin
505,215 1893, Sept. 19 Buffinton, Elisha W. Cleat for Holding a Plurality of Insulated Electric Wires
505,319 1893, Sept. 19 Eisenhart, Charles A. Insulator Pin and Bracket Machine
505,912 1893, Oct. 3 Buffinton, Elisha W. Cleat for Holding Insulated Electric Wires
508,687 1893, Nov. 14 Duggan, Frederic A. Cleat for Electric Wiring
510,809 1893, Dec. 12 Locke, Fred M. Insulator Pin
511,611 1893, Dec. 26 Hammond, Charles N. Insulator
511,612 1893, Dec. 26 Hammond, Charles N. Insulator
514,221 1894, Feb. 6 Gray, Lawrence B. Insulator
515,448 1894, Feb. 27 Schomburg, Rudolf Fixing Electric Conducting Wires to Insulators Supporting Same
515,779 1894, March 6 Luscomb, Henry Herbert Strain-Insulator
517,591 1894, April 3 Robinson, Miner Insulating-Tube
518,214 1894, April 17 Ball, Henry Price Ceiling-Cleat
518,301 1894, April 17 Wirt, Herbert C. Ceiling-Cleat
518,907 1894, April 24 Wyman, Horace B. Cleat for Supporting Conducting Wires for Electric Circuits
520,367 1894, May 22 Locke, Fred M. Insulator
520,412 1894, May 29 Conover, Chauncey Eugene Insulator
520,602 1894, May 29 Luscomb, Henry Herbert Insulator
520,855 1894, June 5 Lieb, Charles A. Feed-Wire Insulator
522,175 1894, June 26 Anderson, Johan M. Insulator
522,302 1894, July 3 Nashold, Elias Self-Locking Cleat for Electric Wires
522,428 1894, July 3 Mace, Romaine Insulator
524,100 1894, Aug. 7 Beardsley, Lauren S. Supporting-Insulator for Electric Wires
524,659 1894, Aug. 14 Winslow, George H. Insulator
524,850 1894, Aug. 21 Hammond, Charles N. Insulator
525,001 1894, Aug. 28 Bradley, Leonard W. Insulator
526,472 1894, Sept. 25 Webster, George Insulator for Electric Conductors
526,498 1894, Sept. 25 Osyor, David N. Conductor-Support and Insulator
527,254 1894, Oct. 9 Trimble, William D. Insulator
527,317 1894, Oct. 9 Bullock, Edward J. Insulator
527,318 1894, Oct. 9 Bullock, Edward J. Insulator-Pin
530,498 1894, Dec. 11 Ball, Henry Price Insulator for Electric Overhead Construction
530,706 1894, Dec. 11 McCarthy, Louis Insulator
531,635 1895, Jan. 1 Iske, Albert Electric-Wire Holder or Insulator
531,702 1895, Jan. 1 Swift, Joseph H. (Swift, Joseph H. & Maintien, William F.) Cleat for Electric Wiring
531,702 1895, Jan. 1 Maintien, William F. (Swift, Joseph H. & Maintien, William F.) Cleat for Electric Wiring
532,973 1895, Jan. 22 Kribs, Seraphin Screw-Press for Forming Insulators
536,684 1895, April 2 Creager, Frank O. Self-Locking Cleat for Electric Wires
539,040 1895, May 14 Deisles, Leonard H. Insulator
542,565 1895, July 9 Kribs, Seraphin Press for Making Screw-Insulators
544,501 1895, Aug. 13 Buffinton, Elisha W. Cleat for Holding Electric Wires
544,778 1895, Aug. 20 Sproat, Clinton (Sproat, Clinton & Tarr, Edward N.) Insulator for Electric or Other Wires
544,778 1895, Aug. 20 Tarr, Edward N. (Sproat, Clinton & Tarr, Edward N.) Insulator for Electric or Other Wires
544,959 1895, Aug. 20 Collins, Reuben G. (Collins, Reuben G. & Foley, Frank W.) Insulator
544,959 1895, Aug. 20 Foley, Frank W. (Collins, Reuben G. & Foley, Frank W.) Insulator
545,620 1895, Sept. 3 Wood, Montraville M. Cleat for Electric Wires
545,819 1895, Sept. 3 Rothenberger, Daniel M. Electric Insulator
546,383 1895, Sept. 17 Gerstenlauer, Gottleib Insulator
546,585 1895, Sept. 17 Dibb, William (Dibb, William & Vickers, Albert) Insulator
546,585 1895, Sept. 17 Vickers, Albert (Dibb, William & Vickers, Albert) Insulator
547,600 1895, Oct. 8 Carroll, Charles F. Insulator-Pin and Insulator
549,443 1895, Nov. 5 Collins, Joseph Electric Supporting-Insulator
550,673 1895, Dec. 3 Beron, Frank G. Cross-Over Insulator
551,032 1895, Dec. 10 Hemphill, James R. Cleat for Electric Wiring
552,501 1895, Dec. 31 Snively, Charles H. Insulator
554,664 1896, Feb. 18 Eckert, Thomas T. Means for Supporting and Insulating Electric Conductors
554,723 1896, Feb. 18 Peloubet, Esten Insulator
554,955 1896, Feb. 18 Riera, Magin Insulator for Electric Wires
557,600 1896, April 7 Peterson, Cyrus A. Insulator
557,881 1896, April 7 Rappleye, Hannibal W. Insulator
558,165 1896, April 14 Evans, Frederic B. Electric-Wire Cleat
558,509 1896, April 21 Middleton, George Wire-Clamp for Telegraph or Similar Wires
562,166 1896, June 16 Blankinsop, Thomas (Blankinsop, Thomas & Brown, Joseph W.) Insulator
562,166 1896, June 16 Brown, Joseph W. (Blankinsop, Thomas & Brown, Joseph W.) Insulator
563,482 1896, July 7 Haley, Patrick Insulating-Support for Rails of Electric Railways
565,944 1896, Aug. 18 Toward, Charles P. Insulator-Support
566,045 1896, Aug. 18 Perton, James Alfred (Perton, James Alfred & Treharne, Frederick Gwilym) Insulator for Electrical Purposes
566,045 1896, Aug. 18 Treharne, Frederick Gwilym (Perton, James Alfred & Treharne, Frederick Gwilym) Insulator for Electrical Purposes
566,468 1896, Aug. 25 Oliver, James B. Insulator-Support
568,060 1896, Sept. 22 Wood, William Insulator
570,034 1896, Oct. 27 Martin, Charles B. (Martin, Charles B. & Hewlett, Edward M.) Insulator
570,034 1896, Oct. 27 Hewlett, Edward M. (Martin, Charles B. & Hewlett, Edward M.) Insulator
573,092 1896, Dec. 15 Locke, Fred M. Insulator
573,101 1896, Dec. 15 O'Neill, James J. Wall Insulator
573,966 1896, Dec. 29 Duncan, Robert Insulator-Hanger
574,101 1896, Dec. 29 Martin, Charles B. Insulator
574,828 1897, Jan. 5 Smock, Benjamin D. B. Insulator
575,090 1897, Jan. 12 Adam, Carl F. Cleat
575,952 1897, Jan. 26 Hoover, Frank Insulator
578,825 1897, March 16 Luscomb, Henry H. (Luscomb, Henry H. & Crane, William F. D.) Insulator
578,825 1897, March 16 Crane, William F.D. (Luscomb, Henry H. & Crane, William F.D.) Insulator
580,628 1897, April 13 Treharne, Frederick Gwilym Insulator and Insulating Conduit or Tubing for Electrical Purposes
581,088 1897, April 20 Sharpe, John E. Electric-Wire Insulator
582,396 1897, May 11 Schnee, William G.  Insulator
586,700 1897, July 20 Tracy, John J. Electric-Line Insulator
587,273 1897, July 27 Rudolf, Heinrich Insulator
588,048 1897, Aug. 10 Ashby, George Insulator for Wires
588,795 1897, Aug. 24 Hemmingray, Ralph G. Glass-Press
590,806 1897, Sept. 28 Locke, Fred M. Insulator
590,832 1897, Sept. 28 Grimm, Fred B. (Grimm, Fred B. & Nessler, John H.) Insulator
590,832 1897, Sept. 28 Nessler, John H. (Grimm, Fred B. & Nessler, John H.) Insulator
591,104 1897, Oct. 5 Roberts, Willis Insulator for Electric Wires
592,505 1897, Oct. 26 Barbour, Wellington Electrical Insulator
593,625 1897, Nov. 16 Warner, Ernest P. Insulated Hanger
593,689 1897, Nov. 16 Rembe, Louis F. Insulator
595,827 1897, Dec. 21 Woolsey, Charles A. Insulator Bracket
596,651 1897, Jan. 4 Brookfield, Henry M. Press for Making Insulators
596,652 1898, Jan 4.  Brookfield, Henry M. (Brookfield, Henry M. & Kribs, Seraphin) Press for Making Insulators
596,652 1898, Jan 4.  Kribs, Seraphin (Brookfield, Henry M. & Kribs, Seraphin) Press for Making Insulators
596,682 1898, Jan 4.  Kribs, Seraphin Press for Making Insulators
600,475 1898, March 8 Boch, John W. Electrical Insulator and Method of Making Same
600,607 1898, March 15 Benedict, Fred Insulator-Support for Electrical Conductors
601,195 1898, March 22 Boch, John W. High-Potential Insulator
601,454 1898, March 29 Weikman, Augustus H. Clamping-Buckle for Electric Line-Wires
602,576 1898, April 19 Fletcher, John R. Bracket for Insulators
605,109 1898, June 7 Locke, Fred M. Insulator
605,256 1898, June 7 Mershon, Ralph D. Insulator
605,741 1898, June 14 McCarthy, Louis Strain-Insulator
607,315 1898, July 12 Wingard, Charles Leo Insulator
609,888 1898, Aug. 30 Leonard, Sylvester S. Clamp for Electric Wires
614,303 1898, Nov. 15 Hemingray, Ralph G. Glass-Press
619,555 1899, Feb. 14 Frantz, Isaac B. Telegraph-Insulator
619,915 1899, Feb. 21 Wentworth, Fred W. Tie-Wire or Clasp for Insulators
621,661 1899, March 21 Harloe, Morton (Harloe, Morton & Bloes, Wilton S.) Insulator
621,661 1899, March 21 Bloes, Wilton S. (Harloe, Morton & Bloes, Wilton S.) Insulator
626,065 1899, May 30 Holmes, Welles E. Insulator
626,592 1899, June 6 Carpenter, John Austin (Carpenter, John Austin & Tonn, Charles Frederick) Insulator
626,592 1899, June 6 Tonn, Charles Frederick (Carpenter, John Austin & Tonn, Charles Frederick) Insulator
627,366 1899, June 20 Treleaven, John Insulator for Fastening Electric Wires
628,667 1899, July 11 King, Charles K. (King, Charles K. & Mead, George A.) Insulated Rail-Support
628,667 1899, July 11 Mead, George A. (King, Charles K. & Mead, George A.) Insulated Rail-Support
631,234 1899, Aug. 15 Stevens, Henry M. Cleat for Electric-Wiring
633,173 1899, Sept. 19 WithyCombe, Frederick Henry Insulator
633,174 1899, Sept. 19 WithyCombe, Frederick Henry Insulator
633,175 1899, Sept. 19 WithyCombe, Frederick Henry Insulator
633,176 1899, Sept. 19 WithyCombe, Frederick Henry Insulator
634,568 1899, Oct. 10 Beal, Carroll N. Insulating-Support for Electric Wires
646,948 1900, April 10 Brookfield, Henry M. (Brookfield, Henry M. & Kribs, Seraphin) Press for Molding Insulators
646,948 1900, April 10 Kribs, Seraphin (Brookfield, Henry M. & Kribs, Seraphin) Press for Molding Insulators
646,949 1900, April 10 Brookfield, Henry M.   Press for Molding Insulators or Similar Articles
650,445 1900, May 29 Zertuche, Emilio Insulator
657,574 1900, Sept. 11 Sinding-Larsen, Alf High-Voltage Insulator
660,140 1900, Oct. 23 Alley, Cassius Insulator
660,271 1900, Oct. 23 Henderson, Robert H. (Henderson, Robert H. & Henderson, John G.) Insulating-Knob for Electric-Light Wiring
660,271 1900, Oct. 23 Henderson, John G. (Henderson, Robert H. & Henderson, John G.) Insulating-Knob for Electric-Light Wiring
664,176 1900, Dec. 18 Risler, Emil Electric Insulator
664,301 1900, Dec. 18 Sterling, Richard H. Insulator
664,432 1900, Dec. 25 Renault, Edward Insulator
667,103 1901, Jan. 29 Sargent, Howard R. Insulator
667,882 1901, Feb. 12 King, Charles K. Feeder-Wire Insulator
669,691 1901, March 12 Harloe, Morton Insulator for Electric Wires
671,876 1901, April 9 Beardsley, Willard P. Self-Locking Insulator
676,881 1901, June 25 Etheridge, Harry Self-Locking Insulator and Pin
678,042 1901, July 9 Sargent, Howard R. Rack-Insulator
679,308 1901, July 30 Geisenhoner, Henry Insulator
679,544 1901, July 30 Sharpe, John E. Insulator for Electric Wires
682,709 1901, Sept. 17 Jenkins, Wilton F. Insulator
682,831 1901, Sept. 17 Murdock, Henry D. Adjustable Insulator
684,909 1901, Oct. 22 Cole, John Appleton Insulating-Bushing
685,776 1901, Nov. 5 Locke, Fred M. Insulator Support
686,609 1901, Nov. 12 Hemingray, Ralph G. Insulating-Support for Electric Wires
687,230 1901, Nov. 26 Hallett, Thomas E. Insulator Support
689,171 1901, Dec. 17 Duffy, John F. (Duffy, John F. & Hershey, Henry Bruner) Insulator
689,171 1901, Dec. 17 Hershey, Henry Bruner (Duffy, John F. & Hershey, Henry Bruner) Insulator
689,218 1901, Dec. 17 Parks, Albert F. Electrical Insulator
696,665 1902, April 1 Benbow William C. Wire-Insulator
697,001 1902, April 8 Nichols, William H. Insulator
697,628 1902, April 15 Johnston, Chauncy C. Insulator and Attachment for Electric Wires
698,976 1902, April 29 Locke, Fred M. Sleeve for Protecting Insulator-Pins
699,761 1902, May 13 Kretzer, Henry F. Insulator
700,463 1902, May 20 Walther, William J. Insulator for Electric Circuits
701,063 1902, May 27 Locke, Fred M. Insulator Pin
701,847 1902, June 10 Converse, Vernon G. Insulator
701,848 1902, June 10 Converse, Vernon G. Insulator
702,660 1902, June 17 Locke, Fred M. Process of Making Insulators
702,661 1902, June 17 Locke, Fred M. Insulator and Process of Manufacturing Same
704,172 1902, July 8 Calvin, James E. Insulator
705,811 1902, July 29 Allen, John Scott Insulating-Support for Metallic Circuits
707,429 1902, Aug. 19 King Theodore F. Insulator for Electric Wires
710,206 1902, Sept. 30 O'Brien, James (O'Brien, James & Mattimore, John) Apparatus for Transposing Electric-Circuit Wires so as to Equalize Induction
710,206 1902, Sept. 30 Mattimore, John (O'Brien, James & Mattimore, John) Apparatus for Transposing Electric-Circuit Wires so as to Equalize Induction
710,282 1902, Sept. 30 Lefever, Edwin Insulator
710,297 1902, Sept. 30 Peirce, Ralph S. Insulator
711,629 1902, Oct. 21 Hobert, Clayton Insulator
712,440 1902, Oct. 28 Shreffler, James L. Insulator
713,904 1902, Nov. 18 Murray, John E. Insulator for Telegraph-Lines
715,375 1902, Dec. 9 Harloe, Morton Insulator
716,343 1902, Dec. 16 Locke, Fred M. Machine for Forming the Interior of Plastic Materials
723,589 1903, March 24 Duffield, Thomas C. Machine for Producing Glass Insulators
724,329 1903, March 31 Polk, Robert H Insulator
724,351 1903, March 31 Steinberger, Louis Insulated Strain
724,848 1903, April 7 Gregory, Ferdinand W. Insulator
725,044 1903, April 14 Claydon, Charles Insulator
726,846 1903, May 5 Bell, Joseph R. Insulator for Electric Wires
728,412 1903, May, 19 Burke, Edward J.  Electric Insulator
728,805 1903, May 19 Locke, Fred M. Insulator
730,805 1903, May 19 Stroh, William G. Insulator
731,239 1903, June 16 Sorg, Fredrich William Telephone-Circuit
735,212 1903, Aug 4 Converse, Vernon G. Insulator
735,429 1903, Aug 4 Waters, James Insulator-Machine
736,049 1903, Aug 11 Wood, James J. Electric-Fuse Box
737,027 1903, Aug. 25 Rutledge, William G. Insulator
739,147 1903, Sept. 15 Bottjer, Herman Insulator for Electric Wires
740,314 1903, Sept. 29 Robertson, Charles B. (Robertson, Charles B. & Robertson, John J.) Insulator
740,314 1903, Sept. 29 Robertson, John J. (Robertson, Charles B. & Robertson John J.) Insulator
744,631 1903, Nov. 17 Schoenthaler, Edward F. Insulator
745,234 1903, Nov. 24 Locke, Fred M. Insulator
745,999 1903, Dec. 8 Bower, Sigmund Insulator
746,362 1903, Dec. 8 McFeaters, George H. Insulator Hanger or Bracket
746,469 1903, Dec. 8 Beauregard, Cullen Electrical-Wire Support
746,671 1903, Dec. 15 Carter, Taylor Insulator
750,722 1904, Jan. 26 Steinberger, Louis Insulator
751,664 1904, Feb. 9 Lyman, Thomas T. Electric Insulator
751,739 1904, Feb. 9 Lindal, Peter S. Insulator
751,831 1904, Feb. 9 Bullard, James H. Insulator-Pin
753,398 1904, March 1 Hunt, Emory Clyde Cleat for Electric Wiring
753,399 1904, March 1 Hunt, Emory Clyde Combination Bracket and Knob for Electric Conductors
754,123 1904, March 8 Bullard, James H. Insulator-Pin
756,026 1904, March 29 Kinsley, William S. (Kinsley, William S. & Bell, Steward S.) Insulator
756,026 1904, March 29 Bell, Steward S. (Kinsley, Willaim S. & Bell, Steward S.) Insulator
756,627 1904, April 5 Hanson, John A. (Hanson, John A.  & Lambert, Albert F.) Insulator
756,627 1904, April 5 Lambert, Albert, F. (Hanson, John A. & Lambert, Albert F.) Insulator
756,724 1904, April 5 Snodgrass, John C. Insulator
757,765 1904, April 19 Osborne, John W. Insulator
758,175 1904, April 26 Cutter, Scott C. Insulator
758,986 1904, May 3 Locke, Fred M. Tubular Insulator
759,276 1904, May 10 Hobert, Clayton Insulator for Telegraph-Wires
760,620 1904, May 24 Grant, Francis Jones Insulator-Bracket
761,326 1904, May 31 Schorling, William H. Machine for Molding Insulators
761,760 1904, June 7 Chesney, Cummings C. Insulator
761,814 1904, June 7 Bearse, Aaron Combined Insulator and Fuse-Box
767,948 1904, Aug. 16 Locke, Fred M. Insulator
769,639 1904, Sept. 6 Sargent, Howard R. Cleat for Electric Conductors
770,278 1904, Sept 20. Fletcher, John R. Insulation-Rack
770,962 1904, Sept. 27 Gill, Jacob F. Insulator
770,999 1904, Sept. 27 Bettmann, Charles Fredrick (Bettmann, Charles Frederick & Zapp, John) Wire-Support
770,999 1904, Sept. 27 Zapp, John (Bettmann, Charles Fredrick & Zapp, John) Wire-Support
771,297 1904, Oct. 4 Chesney, Cummings C. Insulator
773,733 1904, Nov. 1 Greene, Leon W. Insulator
773,768 1904, Nov. 1 Schorling, William H. Molding Machine
774,765 1904, Nov. 15 Locke, Fred M. Art and Method of Manufacturing Earthenware Insulators
775,986 1904, Nov. 29 Oakman, Samuel Insulator
776,514 1904, Dec. 6 Hunt, Emory Clyde Cleat for Electric Wiring
776,789 1904, Dec. 6 Locke, Fred M. Insulator
778,005 1904, Dec. 20 Booker, Charles Electric Insulator
778,420 1904, Dec. 27 Locke, Fred M. Device for attaching insulators to cross arms
779,659 1905, Jan 10 Locke, Fred M. Insulator
779,828 1905, Jan 10 Wood, Montraville M. Insulator-Pin
782,676 1905, Feb. 14 Mack, Johann Arrangement for Securing Wires of Insulators
783,229 1905, Feb 21 Steinberger, Louis Locking Insulator
783,348 1905, Feb 21 Wright, William H. Insulator
785,561 1905, March 21 Latimer, John Morris Wiring-Cleat 
786,472 1905, April 4 Ward, Frank Dietrich (Ward, Frank Dietrick & Furniss, Harry Crampton) Insulator for the Conductors of Electric Railways
786,472 1905, April 4 Furniss, Harry Crampton (Ward, Frank Dietrick & Furniss, Harry Crampton) Insulator for the Conductors of Electric Railways
786,690 1905, April 4 Steinberger, Louis Multiple-Hood Insulator
786,691 1905, April 4 Steinberger, Louis Strain
787,107 1905, April 11 McDaniel, Robert. J (McDaniel, Robert J. & Graves Salathekl V.) Telegraph or Telephone Wire Insulator
787,107 1905, April 11 Graves, Salathiel V. (McDaniel, Robert J. & Graves, Salathiel V.) Telegraph or Telephone Wire Insulator
787,442 1905, April 18 Flynt, Samuel B. (Flynt, Samuel B. & Leaman, A. Maiden) Insulator for Electric Wires
787,442 1905, April 18 Leaman, A. Maiden (Flynt, Samuel B. & Leaman, A. Maiden) Insulator for Electric Wires
789,573 1905, May 9 Steinberger, Louis Insulator
790,214 1905, May 16 Locke, Fred M. Method of Manufacturing High-Potential Earthenware Insulators
790,715 1905, May 23 Brookfield, Henry M. Machinery for the Manufacture of Glass Insulators of Other Glass Articles
795,520 1905, July 25 Lapp, John S. (Lapp, John S., Watts, Arthur S. & Goddard, Walter T.) Strain Insulator
795,520 1905, July 25 Watts, Arthur S. (Lapp, John S., Watts, Arthur S. & Goddard, Walter T.) Strain Insulator
795,520 1905, July 25 Goddard, Walter T. (Lapp, John S., Watts, Arthur S. & Goddard, Walter T.) Strain Insulator
795,521 1905, July 25 Lapp, John S. Insulator
796,977 1905, Augl. 8 Locke, Fred M. Insulator Pin
798,235 1905, Aug. 20 Twiggs, William R. Insulator
801,196 1905, Oct. 3 Mathias, Charles L. Self-Locking Insulator
801,461 1905, Oct. 10 Kribbs, Anthony Mold for Forming Insulators
802,096 1905, Oct. 17 Dunton, Charles W. Tree-Insulator
802,397 1905 Oct. 24 Humphrey, Clarence Insulator for Electric Wires
803,973 1905, Nov. 7 Bemis, George M. Insulator
804,115 1905, Nov. 7 Goodridge, Gilbert W. Electrical Insulator
804,630 1905, Nov. 14 Short, Edward C. Support for Pole Cross-Arms
805,169 1905, Nov. 21 Taubold, John F. Insulator and Wire-Clamp
806,588 1905, Dec. 5 Sinclair, Herbert Electrical Insulator
806,717 1905, Dec. 5 Thomas, George W. High-Voltage Insulator
806,887 1905, Dec. 12 Goddard, Walter T. Insulator-Pin
814,613 1906, March 6 MacKean, Frank Insulator-Pin
814,887 1906, March 13 Swanson, Hans Insulator Attachment
815,471 1906, March 20 Ricks, George L. Insulator
815,222 1906, March 13 Schorling, William H. Device for Supporting Glass Insulators or Other Glass Articles with Plastic
815,506 1906, March 20 Blynt, Herbert S. Insulator
818,186 1906, April 17 Murdock, Henry D. Insulating Cleat
821,401 1906, May 22,  Carter, Taylor Insulator
821,746 1906, May 29 Richard, Augusto Insulator
822,211 1906, May 29 Locke, Fred M. Insulator
823,461 1906, June 12 Bullard, James H. Insulator Pins
824,055 1906, June 19 Acly, Harry M. Insulator
825,795 1906, July 10 Baker, Melvin F. Insulator
826,916 1906, July 24 Bartley, Samuel (Bartley, Samuel & Bartley, William O.) Insulator
826,916 1906, July 24 Bartley, William O. (Bartley, Samuel & Bartley, William O.) Insulator
825,954 1906, July 17 Blake, Charles C. Cleat for Electric Wires
829,646 1906, Aug. 28 Goddard, Walter T. Insulator
830,501 1906, Sept. 11 Goehst, John H. Protecting-Bushing for Electric-Circuit Wires
830,585 1906, Sept. 11 Graves, Salathiel V. (Graves, Salathiel V. & McDaniel, Samuel H.) Insulator for Telegraph and Telephone Wires
830,585 1906, Sept. 11 McDaniel, Samuel H. (Graves, Salathiel V. & McDaniel, Samuel H.) Insulator for Telegraph and Telephone Wires
831,168 1906, Sept. 18 Lembeck, Arthur J. L. Insulator
831,338 1906, Sept. 18 Glick, Monroe J. Insulator
833,877 1906, Oct. 23 Grant, Frances Jones Insulator
834,533 1906, Oct. 30 Nicols, James F. Insulator
834,567 1906, Oct. 30 Falkenberg, Richard A. (Falkenberg, Richard A. & Simon, Solomon S.) Insulator
834,567 1906, Oct. 30 Simon, Solomon S. (Falkenberg, Richard A. & Simon, Solomon S.) Insulator
835,235 1906, Nov. 6 Brookfield, Henry M. (Brookfield, Henry M. & Stivers, William D.) Press for Making Glass Insulators or Similar Articles
835,235 1906, Nov. 6 Stivers, William D. (Brookfield, Henry M. & Stivers, William D.) Press for Making Glass Insulators or Similar Articles
835,236 1906, Nov. 6 Brookfield, Henry M. Press for Making Insulators or Similar Articles
835,393 1906, Nov. 6 Brookfield, Henry M. Process for Molding Glass
836,122 1906, Nov. 20 Locke, Fred M. High-Potential Insulator
836,297 1906, Nov. 20 Brookfield, Henry M. Apparatus for Making Glass Insulators or Other Similar Glass Articles
836,298 1906,Nov. 20 Brookfield, Henry M. Process for Making Glass Insulators or Other Glass Articles
838,163 1906, Dec. 11 Baum, Frank George High-Tension Insulator
838,727 1906, Dec. 18 Locke, Fred M. Die for Forming Insulators
840,336 1907, Jan. 1 Johnson, Alfred Insulator
843,258 1907, Feb. 5 Clark, Walter G. Insulator-Clamp
848,259 1907, Feb. 5 Clark, Walter G. Insulator
844,796 1907, Feb. 19 Hatchett, Andrew Insulating Wire-Holder
845,544 1907, Feb. 26 Gordon, Waldo C. Wiring-Knob
848,473 1907, March 26 Lee, Thomas B. Insulating-Clamp
849,606 1907, April 9 Goldstein, Albion Insulator
849,731 1907, April 9 Feuerstein, Siegmund Insulator
849,896 1907, April 9 Griffith, Charles Insulator
851,222 1907, April 23 Clark, Walter G. Insulator-Clamp
852,730 1907, May 7 Locke, Fred M. Insulator
854,315 1907, May 21 Stauffer, Henry D. Insulator
855,208 1907, May 28 Sinclair, Herbert Insulator
855,253 1907, May 28 Lee, William States, Jr. Insulator-Pin
856,488 1907, June 11 Peirce, Charles L., Jr. Insulator
856,801 1907, June 11 Peirce, Charles, Jr. Insulator
861,275 1907, July 30 Gallagher, Constantine Insulator for Electric Wires
864,599 1907, Aug. 27 Beckett, James W. (Beckett, James W. & Beckett, William R.) Insulator for Electric Wires
864,599 1907, Aug. 27 Beckett, William R. (Beckett, James W. & Beckett, William R.) Insulator for Electric Wires
864,947 1907, Sept. 3 Buffinton, Elisha W. Clamp for Electric Wires
865,697 1907, Sept. 10 Henderson, Robert E. (Henderson, Robert E. & King, John N.) Insulator
865,697 1907, Sept. 10 King, John N. (Henderson, Robert E. & King, John N.) Insulator
866,596 1907, Sept. 17 Morton, William A. Insulator
867,901 1907, Oct. 8 Barclay, John C. Insulator
868,122 1907, Oct. 15 Poinan, Francis J. Electric Insulator
868,530 1907, Oct. 15 Cooper, John A. Telegraph and Telephone Insulator
869,163 1907, Oct. 22 Devine, William J. Insulator
870,187 1907, Nov. 5 Locke, Fred M. Wall-Insulator
872,216 1907, Nov. 26 Bodley, Homer D. Insulator
872,569 1907, Dec. 3 Locke, Fred M. System of Insulation for High-Voltage Electric Conductors
872,756 1907, Dec. 3 Scherer, Frederick C. (Scherer, Frederick C. & Fashbaugh, Henry C.) Insulator
872,756 1907, Dec. 3 Fashbaugh, Henry C. (Scherer, Frederick C. & Fashbaugh, Henry C.) Insulator
872,993 1907, Dec. 3 Deem, Arthur S. Insulator
874,445 1907, Dec. 24 Shears, Albert L. Insulator
876,059 1908, Jan. 7 Irons, William H. Split Knob
876,828 1908, Jan. 14 McNutt, Ross C. Insulator
876,939 1908, Jan. 21 Buck, Harold W. Insulator
878,302 1908, Feb. 4 Markel, Harley R. Insulator
878,646 1908, Feb. 11 Locke, Fred M. High-Potential Insulator
878,679 1908, Feb. 11 Smith, William N. Support for Insulators
878,949 1908, Feb. 11 Hanson, John H. Electric-Wire Insulator
879,033 1908, Feb. 11 Caldwell, John Insulator for Electric Wires
880,203 1908, Feb. 25 Duncan, John D. E.  Insulator
880,971 1908, March 3 Carter, George Washington Insulator
881,967 1908, March 17 Slusser, Charles R. Electric Insulator
882,095 1908, March 17 Callane, Waldo E. Wire Tie for Insulators
882,803 1908, March 24 Storror, Leonard W.  Insulator
884,641 1908, April 14 Clark, Walter G. Hanging Insulator
887,107 1908, May 12 Locke, Fred M. Wire-Fastener for Insulators
887,520 1908, May 12 Rehling, John Wm. Insulator
887,578 1908, May 12 Beyer, David S. Hanger for Electric Wires
887,930 1908, May 19 Elliott, Chester Means for Attaching Line Wires to Insulators
887,996 1908, May 19 Burge, James M. Combined Insulator and Lamp-Hanger
888,154 1908, May 19 Friend, Howard Insulator
888,616 1908, May 26 Johnson, Chauncey C. Insulator
894,616 1908, July 28 Fay, John L.  Insulator and Wire-Clamp
897,669 1908, Sept. 1 Siegwart, Frank Joseph Insulator
898,921 1908, Sept. 15 Purves, Thomas Fortune (Purves, Thomas Fortune & Sinnott, John) Insulator
898,921 1908, Sept. 15 Sinnott, John (Purves, Thomas Fortune & Sinnott, John) Insulator
900,917 1908, Oct. 13 Dobson, Grant Insulator
902,455 1908, Oct. 27 Skinner, James E. Transposition-Bracket for Insulators
903,692 1908, Nov. 10 Finckel, Goerge M. Feeder-Wire Insulator
904,370 1908, Nov. 17 Steinberger, Louis Disk Strain-Insulator
905,940 1908, Dec. 8 Semenza, Guido High-Tension Insulator
906,008 1908, Dec. 8 Ette, Charles G. Insulator-Pin
906,296 1908, Dec. 8 Rosenberg, Charles (Rosenberg, Charles & Bailey, Vernon T.) Insulator
906,296 1908, Dec. 8 Bailey, Vernon T. (Rosenberg, Charles & Bailey, Vernon T.) Insulator
907,251 1908, Dec. 22 Lawrence, Harry Wallace Electrical-Wiring Knob
907,788 1908, Dec. 29 Hall, Alphonso R. Insulator-Clip
907,834 1908, Dec. 29 Marshall, George B. Insulator
908,089 1908, Dec. 29 Gibson, James C. Insulator
908,136 1908, Dec. 29 Randolph, Leonard M. Third-Rail Insulator
908,180 1908, Dec. 29 Wilgus, William John (Wilgus, William John & Sprague, Frank Julian) Third Rail
908,180 1908, Dec. 29 Sprague, Frank Julian (Wilgus, William John & Sprague, Frank Julian) Third Rail
909,595 1909, Jan. 12 Hemingray, Ralph G. (Hemingray, Ralph G. & Hawk, Charles) Screw-Press to Form Insulators
909,595 1909, Jan. 12 Hawk, Charles (Hemingray, Ralph G. & Hawk, Charles) Screw-Press to Form Insulators
909,935 1909, Jan. 19 Rea, John H. B. Protected Insulator
910,799 1909, Jan. 26 Edmiston, Samuel J. Insulator Pin
910,975 1909, Jan. 26 Vickers, Antrim L. Cleat for Electric Wires
911,429 1909, Feb. 2 McLennan, Roderick Cleat for Electric Wiring
911,864 1909, Feb. 9 Ball, Esar-Haddon Porcelain Cleat
913,212 1909, Feb. 23 Johnson, Chauncey C. Insulator-Mold
915,330 1909, March 16 Blackburn, Jasper Insulator and Wire-Clamp
915,406 1909, March 16 Bartley, Samuel (Bartley, Samuel & Bartley, William O.) Insulator
915,406 1909, March 16 Bartley, William O. (Bartley, Samuel & Bartley, William O.) Insulator
12,934 Reissue 1909, April 6 Locke, Fred M. Die for Forming Insulators
917,031 1909, April 6 Eveleth, Charles E. Insulator for High-Tension Transmission-Lines
917,207 1909, April 6 Weber, August Jr. Insulator
917,785 1909, April 13 Mershon, Ralph D. Insulating-Suppport for High-Tension Conductors
918,127 1909, April 13 Clark, Walter G. Insulator
918,339 1909, April 13 Locke, Fred M. System of Insulation for High-Voltage Electric Conductors
918,905 1909, April 20 Pond, Benjamin A. Insulator
919,386 1909, April 27 Schaub, Ferdinand Insulator
922,477 1909, May 25 Henry, Robert Electric-Line Insulator
925,561 1909, June 22 Buck, Harold W. (Buck, Harold W. & Hewlett, Edward M.) Suspension of High-Tension Lines
925,561 1909, June 22 Hewlett, Edward M. (Buck, Harold W. & Hewlett, Edward M.) Suspension of High-Tension Lines
927,321 1909, July 6,  Bond, John Thomas Insulator
927,701 1909, July 13 Woodmansee, Fay Insulator-Support
929,878 1909, Aug. 3 Ranson, Joseph W. Insulator
930,750 1909, Aug. 10 Graham, Charles, McLaghlan Insulator
930,751 1909, Aug. 10 Graham, Charles, McLaghlan Reinforced Wooden Support for Insulator
931,507 1909, Aug. 17 Siler, Aaron V. Insulator for Electric Wires
934,352 1909, Sept. 14 Pratt, John Sedgwick Line-Wire Connector
934,463 1909, Sept. 21 Ritter, William F. Cleat for Electric Wires
934,930 1909, Sept. 21 McCann, Thomas Tucker Insulator-Pressing Machine
937,137 1909, Oct. 19 Zurn, Charles M. Machine for Producing Glass Insulators
937,140 1909, Oct. 19 Bartlett, Harry (Bartlett, Harry & MacCallum, Alexander P.) Non-Detachable Insulator
937,515 1909, Oct. 19 Dorff, Conrad J. Insulator-Pin
937,736 1909, Oct. 19 Dumbolton, Perry S. (Dumbolton, Perry S. & Franz, Frank) Insulator
937,736 1909, Oct. 19 Franz, Frank (Dumbolton, Perry S. & Franz, Frank) Insulator
944,259 1909, Dec. 28 Dennler, August G. Insulator
946,623 1910, Jan. 18 Varney, Theodore Insulator for Electric Lines
947,094 1910, Jan. 18 Burton, Edward Insulator
947,185 1910, Jan. 18 McBean, George B. Insulating-Support
947,274 1910, Jan. 25 Austin, Arthur O. Suspension Device for Insulators
947,516 1910, Jan. 25 Goddard, Walter T. Insulator
948,321 1910, Feb. 8 Grace, Sergius P. Knob-Insulator
949,604 1910, Feb. 15 Steinberger, Louis System of Insulation
951,505 1910, March 8 Mather, Thomas T. Insulating-Tube
954,329 1910, April 5 Nicholson, Lloyd C. Insulator-Protecting Apparatus
954,350 1910, April 5 Siler, Andrew J. Insulator
954,596 1910, April 12 Stadermann, Albert L. Insulator
955,065 1910, April 12 Hardin, Cornelious Insulator
955,661 1910, April 19 Moore, William Enoch Insulator
961,646 1910, June 14, 1910 Reusch, William Louis Insulator
964,586 1910, July 19   Tufts, John Russell Jr. Insulator
965,723 1910, July 26 Malthaner, John Fred Insulator
966,583 1910, Aug. 9 Nicholson, Lloyd C. Insulator-Protecting Apparatus
966,584 1910, Aug. 9 Nicholson, Lloyd C. Protecting Apparatus for Insulators
966,882 1910, Aug. 9 Bandfield, William Edward Attachment of Telegraph and Similar Line Wires to Insulators
970,078 1910, Sept. 13 Meurling, John A. Insulator
971,322 1910, Sept. 27 Speakman, Charles W. Mine-Insulator
971,619 1910, Oct. 4 Klugh, John T. Insulator
971,683 1910, Oct. 4 Markel, Harley R. Insulator
971,785 1910, Oct. 4 Pierce, Alfred L. Tree-Insulator
972,994 1910, Oct. 18 Campbell, John H. Insulator
973,204 1910, Oct. 18 Locke, Fred M. Insulating System for High-Potential Electrical Conductors
973,409 1910, Oct. 18 Crabbe, Edward Insulated Hanger
674,177 1910, Nov. 1 Noeggerath, Jakob E. Insulator for High-Tension Transmission Systems
974,207 1910, Nov. 1 Thompson, Warren Ray Insulator-support
974,672 1910, Nov. 1 Johnston, Robert M. Insulator
977,262 1910, Nov. 29 Bigham, Neal Jay Insulating-Hanger
978,941 1910, Dec. 20 Schimpf, Frank Combined Cleat and Rosette
980,495 1911, Jan. 3 Crawford, George W. Wire-Retainer and Insulator-Guard
981,074 1911, Jan 10 Dupont, Henry H. Split-Knob Insulator
983,039 1911, Jan 31 Field, John E. Insulator-Protector
986,213 1911, March 7 Phelps, James C. Insulating-Cap
986,702 1911, March 14 Friend, David H. Insulator
989,231 1911, April 11 Chamberlain, Wilbur L. Insulator-Support
992,397 1911, May 16 Anderson, Milton E. Insulator
992,570 1911, May 16 Markel, Harley R. Insulator
992,595 1911, May 16 Ridenour, Lertin W. Insulator-Line Attaching Device
995,838 1911, June 20 Bower, Fred B. Knob for Electric Wiring
996,312 1911, June 27 Childress, Thornton D. Insulator
996,782 1911, July 4 Moore, William S. Insulator
998,359 1911, July 18 Locke, Fred M. High-Voltage Insulator
999,683 1911, Aug. 1 Tinsley, Addison B. Insulator
1,006,268 1911, Oct. 17 Peirce, Charles L., Jr. Insulator-Bracket
1,007,138 1911, Oct. 31 Peirce, Charles L., Jr. Insulator-Bracket
1,008,087 1911, Nov. 7 Sweeney, James M. Insulator
1,009,810 1911, Nov. 28 Watkins, Thomas H. Insulator
1,010,920 1911, Dec. 5 Kenney, Benjamin D. High-Tension Insulator
1,011,164 1911, Dec. 12 Cornelius, Samuel S. Insulator
1,012,724 1911, Dec. 26 Sessions, Ebson, O. Insulator-Support
1,013,241 1912, Jan. 2 Van Etten, Frank C. Insulator
1,013,250 1912, Jan. 2 Wilson, Walter J. Insulator-Pin
1,014,934 1912, Jan. 16 Baker, George Insulator-Knot
1,016,780 1912, Feb. 6 Rutzky, Paul Insulator
1,020,889 1912, March 19 Rourke, Alexander Morrison Insulator
1,021,059 1912, March 28 Markley, Willis R. Insulator
1,022,026 1912, April 2 Guthrie, Joseph A. Insulator
1,027,601 1912, May 28 Gressett, Lawrence F. Insulator and Support
1,028,104 1912, June 4 Fletcher, Olive L. Strain-Insulator
1,028,534 1912, June 4 Brady, Charles C. Insulator
1,029,980 1912, June 18 Ellis, John Insulator
1,030,574 1912, June 25 Ette, Charles G. Insulator-Supporting Device
1,031,975 1912, July 9 Warren, Frederic A. Mine-Insulator
1,032,153 1912, July 9 Nemes, Mike Insulator
1,032,545 1912, July 16 Hilty, Robert D. Insulator
1,035,415 1912, Aug. 13 Brown, Robert L. (Brown, Robert L. & Brown, Gus) Insulator
1,035,415 1912, Aug. 13 Brown, Gus (Brown, Robert L. & Brown, Gus) Insulator
1,038,418 1912, Sept. 10 Nelson, William H. S. Insulator
1,039,799 1912, Oct. 1 Priestly, Charles Marie Edouard Suspension Chain for High-Pressure Electric Transmission-Lines
1,040,971 1912, Oct. 8 Wirt, Charles Insulating-Joint
1,041,937 1912, Oct. 22 Wyche, Daniel Webster Insulator-Bracket
1,042,372 1912, Oct. 22 Harris, John R. Split Insulator
1,042,677 1912, Oct. 29 Hilty, Robert D. Insulating-Cleat
1,042,902 1912, Oct. 29 Foutz, Jeremiah N. Insulator
1,043,916 1912, Nov. 12 Farwell, Frank M. Insulator
1,045,353 1912, Nov. 26 Zachhuber, Franz Insulator for Automatically Securing Conducting-Wires
1,045,536 1912, Nov. 26 Ette, Charles G. Insulator-Pin
1,047,059 1912, Dec. 10 Hoybook, Henry L. Insulator-Support for Line-Wires
1,048,390 1912, Dec. 24 Brown, Fred Insulator
1,048,587 1912, Dec. 31 Riefer, Anthony J. (Riefer, Anthony J. & Mays, David P.) Wire-Holder for Insulator
1,048,587 1912, Dec. 31 Riefer, Anthony J. (Riefer, Anthony J. & Mays, David P.) Wire-Holder for Insulator
1,048,736 1912, Dec. 31 Richards, Benjamin Insulating-Cleat
1,048,850 1912, Dec. 31 Moore, John W. Insulator
1,049,405 1913, Jan 7 Schaur, Ferdinand Insulator
1,055,322 1913, March 11  DeLong, Harry A. Insulator
1,056,392 1913, March 18 Barr, Carl A. (Barr, Carl A. & Koren, Jerome H.) Insulator
1,056,392 1913, March 18 Koren, Jerome H. (Barr, Carl A. & Koren, Jerome H.) Insulator
1,056,711 1913, March 18 Schaub, Ferdinand Cross-Over Insulator for Electrical Conductors
1,059,629 1913, April 22 Platt, Thomas M. Insulator
1,060,886 1913, May 6 Bicknell, John E. Insulator
1,061,620 1913, May 13 Markel, Harley R. Insulator
1,065,737 1913, June 24 Slonecker, Abiram J. Insulator and Support
1,065,983 1913, July 15 Stockwell, Millard E. Insulator
1,067,246 1913, July 15 Hubbard, John H. Wire-Clamp for Insulators
1,069,782 1913, Aug. 12 Hilliard, John D. Electric Insulator
1,070,151 1913, Aug. 12 Martin, William H. Insulator
1,071,419 1913, Aug. 26 Hetherington, Bert Insulator
1,072,999 1913, Sept. 9 Simcoe, George Tubular Insulator
1,079,239 1913, Nov. 18 Harris, John R. Insulator
1,080,257 1913, Dec. 2 Bruchsaler, Karl Insulator
1,088,278 1914, Feb. 24 Holmes, Mingot K. Rain-Guard for Insulator
1,090,686 1914, March 17 Cook, William A. Insulator-Clamp
1,091,678 1914, March 31 Locke, Fred M. Insulating Composition
1,091,679 1914, March 31 Locke, Fred M. Insulator
1,093,479 1914, April 14 Sandford, Joseph Addison, Jr. Insulator
1,093,480 1914, April 14 Sandford, Joseph Addison, Jr. Insulator
1,099,374 1914, June 9 Hunter, Ira Insulator
Reissue 13,748 1914, June 16 Ellis, John Insulator
1,105,521 1914, July 28 Kephart, John A. Insulator Attachment
1,106,797 1914, Aug. 11 Fay, John L. (Fay, John L. & Way, Sylvester B.) Electric Insulator
1,106,797 1914, Aug. 11 Way, Sylvester B. (Fay, John L. & Sylvester B.) Electric Insulator
1,107,111 1914, Aug. 11 Purkey, Benjamin S. Insulator
1,109,058 1914, Sept. 1 Fritz, Orville J. Insulator
1,110,934 1914, Sept. 15 Hewlett, Edward M.  Insulator
1,116,631 1914, Nov. 10 Schisler, Frank J. Insulator
1,119,049 1914, Dec. 1 Smith, Amos L. Insulator-Clamp
1,120,951 1914, Dec. 15 Locke, Fred M. Manufacture of Insulators for High-Potential Electric Conductors
1,125,742 1915, Jan. 19 Sessions, Ebson, O. Cable-Supporting Insulator
1,127,042 1915, Feb. 2 Locke, Fred M. Manufacture of High-Potential Porcelain and Glass Insulators
1,127,044 1915, Feb. 2 Locke, Fred M. Insulator
1,127,776 1915, Feb. 9 Kettron, Charles W. Insulator
1,128,424 1915, Feb. 16 Duncan, John D. E. Insulator
1,139,748 1915, May 18 Beatty, Thomas W. Insulator
1,140,050 1915, May 18 Manwaring, Robert A. (Manwaring, Robert A. & Hessel, James T.) Insulator
1,140,050 1915, May 18 Hessel, James T. (Manwaring, Robert A. & Hessel James T.) Insulator
1,143,983 1915, June 22 Miller, Charles E. Insulator-Support
1,144,153 1915, June 22 Nichols, William H. Insulator
1,144,672 1915, June 29 Wheale, George Fused Test Clamp-Insulator
1,146,201 1915, July 13 Nunn, Sylvester Electric-Wire Insulator
1,146,298 1915, July 13 Ambruster, Cornelius Insulating-Support for Storage Batteries
1,147,498 1915, July 20 Freeman, Edgar H.  Divided Insulator
1,147,757 1915, July 27 Seyler, Carl P. Insulator-Supporting Structure
1,449,017 1915, Aug. 3 Balliet, Ray Insulator
1,149,282 1915, Aug. 10 Peirce, Charles L., Jr. Insulator-Supporting Device
1,150,697 1915, Aug. 17 Neely, Zen Wollcott (Neely, Ken Wollcott & Lewis, George A.) Insulator
1,150,697 1915, Aug. 17 Lewis, George A. (Neely, Ken Wolcott & Lewis, George A.) Insulator
1,151,179 1915, Aug. 24 Harris, Edwin D. Insulator
1,156,163 1915, Oct. 12 Locke, Fred M. Manufacture of Insulators for High-Potential Electric Conductors
1,157,036 1915, Oct. 19 Peirce, Charles L., Jr. Insulator-Supporting Fixture
1,157,037 1915, Oct. 19 Peirce, Charles L., Jr. Insulator-Supporting Structure
1,157,612 1915, Oct. 19 Bennett, Cornelius Van Dyke Die For Insulators
1,158,105 1915, Oct. 26 Callendar, Edwin F. Insulating-Tube
1,159,409 1915, Nov. 9 Muller, Auguste Robert Electric Insulator
1,159,798 1915, Nov. 9 Reynders, Arthur B. Insulating Tube
1,161,080 1915, Nov. 23 Spicer, Frank M. Insulator
1,163,114 1915, Dec. 7 Stahl, Loren Insulator
1,167,208 1916, Jan. 4 Oppelt, William Insulator
1,168,796 1916, Jan. 18 French, Clarkson S. Wire Holder and Insulator
1,169,246 1916, Jan. 25 Folstad, Almer J. Insulator
1,171,267 1916, Feb. 8 Smith, George R. Insulator for Electrically-Charged Wires
1,172,963 1916, Feb. 22 Engelhardt, August J. Insulator
1,174,002 1916, Feb. 29 Ettinger, Victor P. Insulator
1,174,287 1916, March 7 Rosenfeld, Mortimer C. Insulator-Support
1,175,849 1916, March 14 Warren, Frederic A. (Deceased) Insulator-Base
1,176,618 1916, March 21 Swearingen, Walter e. Insulator
1,176,629 1916, March 21 Wallace, William H. Tree-Insulator and Wire-Supporter
1,176,801 1916, March 28 Williams, William H. Insulator
1,177,315 1916, March 28 Gee, Warn G. Insulator
1,177,996 1916, April 4 Curry, William J. (Curry, William J. & Andrews, William A.) Insulator
1,177,996 1916, April 4 Andrews, William A. (Curry, William J. & Andrews, william A.) Insulator
1,178,539 1916, Aril 11 Schaub, Ferdinand Insulator
1,185,700 1916, June 6 Moss, Benton C. Insulator for Trolley-Wires
1,186,862 1916, June 13 Swartz, Otto P. Insulator
1,188,599 1916, June 27 Youmans, Salem L. (Youmans, Salem L. & McLaughlin, James A.) Self-Tying Insulator
1,188,599 1916, June 27 McLaughlin, James A. (Youmans, Salem L. & McLauglin, James A.) Self-Tying Insulator
1,190,286 1916, July 11 Harlan, Earle Insulator
1,192,474 1916, July 25 Taylor, William C. Glass
1,192,690 1916, July 25 Schaake, William Insulator-Supporting Structure
1,193,787 1916, Aug. 8 Holmes, Mingot K. Glass-Working Machine
1,194,747 1916, Aug. 15 Kells, Herbert R. Insulator
1,194,957 1916, Aug. 15 Cochrane, Harry Hamilton Insulator
1,198,732 1916, Sept. 19 Locke, Louis Peer Plunger for Forming Insulators
1,200,294 1916, Oct. 3 Ayre, William George (Ayre, William George & Shaw, Frederick Lennard) Insulator
1,200,294 1916, Oct. 3 Shaw, Frederick Lennard (Ayre, William George & Shaw, Frederick Lennard) Insulator
1,201,325 1916, Oct. 17 Markel, Harley R. Insulator
1,205,069 1916, Nov. 14 Williams, Roger A. Insulator
1,205,971 1916, Nov. 28 Buschetti, Claudio Electric Insulator
1,206,160 1916, Nov. 28 Steinberger, Louis High-Potential Insulator
1,206,846 1916, Dec. 5 Hopkins, Roy S. Insulator
1,206,882 1916, Dec. 5 Morene, Carl T. Insulatiing-Tube
1,208,874 1916, Dec. 19 Wilson, William E. Insulator
1,212,547 1917, Jan 16 Parent, Rufus A. Automatic Insulator
1,213,002 1917, Jan 16 Pierce, Frank C. Insulator
Reissue 14,256 1917, Feb. 6 Williams, William H. Insulator
1,215,245 1917, Feb. 6 Boyter, Robert L. Tie-wire for Insulator
1,216,000 1917, Feb. 13 Scully, Thomas Electric Insulator
1,217,032.00 1917, Feb. 20 Lyon, Cody Insulator for Electric Wires
1,217,315 1917, Feb. 27 Kendig, Julian H. Insulator
1,218,181 1917, March 6 Homer, John W. Insulator-Knob
1,225,147 1917, May8 Locke, Fred M. Insulator
1,226,088 1917, May 15 Locke, Fred M. Insulator & Composition Material for Insulators & Other Purposes
1,229,272 1917, June 12 Irwin, John J. Insulator
1,232,278 1917, July 3 Goddard, Walter T. Insulator
1,232,354 1917, July 3 Mair, John E. Insulator
1,233,575 1917, July 17 Hudson, Christopher Insulator
1,233,486 1917, July 17 Locke, Fred M. Electrical-Insulator
1,234,313 1917, July 24 Effrig, anthony F. Insulator
1,240,330 1917, Sept. 18 Fort, Louis Insulator and Support 
1,241,929 1917, Oct. 2 Dade, William A. (Dade, William A. & Morgan, Richard E) Insulator
1,241,929 1917, Oct. 2 Morgan, Richard E. (Dade, William A. & Morgan, Richard E.) Insulator
1,247,531 1917, Nov. 20 Head, Vernon Support for Line-Wires
1,249,820 1917, Dec. 11 Pharo, Harry A. (Pharo, Harry A. & Schaake, William) Insulator
1,249,820 1917, Dec. 11 Schaake, William (Pharo, Harry A. & Schaake, William) Insulator
1,251,013 1917, Dec. 25 Goddard, Walter T. Insulator-Joint
1,251,416 1917, Dec. 25 Purkey, Benjamin S. Insulator
1,257,983 1918, March 5 DeVaughn, Clyde T. Insulator
1,258,211 1918, March 5 Goddard, Walter T. Insulator-Support
1,258,802 1918, March 12 Morgan, Andrew J. Insulator-Support
1,260,160 1918, March 19 Disbennet, Charles Insulator
1,263,746 1918, April 23 Creamer, William H. Insulator
1,266,435 1918, May 14 English, Roy Wilfred Telephone-Insulator
1,268,315 1918, June 4 Becker, Raymond A. (Becker, Raymond A. & Maddex, Thomas E.) Insulator-Thimble
1,268,315 1918, June 4 Maddex, Thomas E. (Becker, Raymond A. & Maddex, Thomas E.) Insulator-Thimble
1,268,972 1918, June 11 Hendee, Lem E. Insulator-Support
1,271,596 1918, July 9 Mayer, Walter S. Insulator-Support
1,273,313 1918, July 23 Beatty, Thomas W. Insulator
1,282,876 1918, Oct. 29 Kyle, William D. Line-Conductor Support
1,284,975 1918, Nov. 19 Austin, Arthur O. Sanded Insulator and Method of Making the Same
1,290,540 1919, Jan. 7 Glocker, Gustave Knob-Insulator
1,290,673 1919, Jan. 7 Sonneborn, Sol S. Sectional-Pin Insulator
1,291,139 1919, Jan. 14 Reese, Rudolph R. Insulator
1,291,713 1919, Jan. 21 Austin, Arthur O. Separable-Part Insulator
1,292,451 1919, Jan. 28 Fort, Louis Line-Wire Insulator
1,295,298 1919, Feb. 25 Gage, Henry Phelps Glass
1,302,158 1919, April 29 Harris, John R. Insulator
1,302,796 1919, May 6 Heard, Thomas J. Insulator
1,304,623 1919, May 27 Sullivan, Eugene C. (Sullivan, Eugene C. & Taylor, William C.) Glass
1,304,623 1919, May 27 Taylor, William C. (Sullivan, Eugene C. & Taylor, William C.) Glass
1,305,168 1919, May 27 Roberts, Omer L. Insulator
1,311,067 1919, July 22 Goddard, Walter T. Insulator
1,311,483 1919, July 29 Amos, Frank Insulator
1,315,633 1919, Sept. 9 McFeaters, George H. Insulator-Support
1,329,656 1920, Feb. 3 Fargo, Arthur H. Insulator
1,329,770 1920, Feb. 3 Johnston, Robert M. Insulator
1,335,634 1920, March 30 Amos, Frank M. Insulator
1,335,801 1920, April 6 Steinberger, Louis Insulator
Reissue 14,888 1920, June 22 Goddard, Walter T. Insulator
1,346,128 1920, July 13 Krebs, Frederick Henry Device for Attachment of Electric Conductors to Insulators
1,354,396 1920, Sept. 28 Hoenig, Harry Eduard Fastening Device
1,360,896 1920, Nov. 30 Creighton, Elmer E. F. Cemented Insulator
1,361,948 1920, Dec. 14 Widmyer, James L. Insulator
1,371,855 1921, March 15 Buller, Henry W. Insulator
1,374,998 1921, April 19 Fortescue, Charles Le G. (Fortescue, Charles Le G. & Gilchrest, George L.) Insulator
1,374,998 1921, April 19 Gilchrest, George L. (Fortescue, Charles Le G. & Gilchrest, George L.) Insulator
1,376,307 1921, April 26 Amos, Frank M. Insulator
1,381,594 1921, June 14 Sauereisen, Christian F. Strain-Insulator Sign
1,382,483 1921, June 21 Decker, John G. Electric Line-Wire Insulator
1,390,118 1921, Sept. 6 Fridrichsen, Peter Christian Carl Insulator
1,407,550 1922, Feb. 21 Lapp, John S. Method and Machine for Forming Impressions in Plastic Articles
1,409,091 1922, March 7, Goddard, Walter T. Cemented Insulator
1,412,759 1922, April 11 Stevens, Frank J. Cementless Strain-Insulator
1,413,023 1922, April 18 Gouverneur, Minor F. H. Method and Means for Forming Passages in Plastic Material
1,426,421 1922, Aug. 22 Sonneborn, Sol S. Condenser Cemented Sectional Insulator
1,427,953 1922, Sept. 5 Harrison, Arthur W. Attaching Device
1,429,079 1922, Sept. 12 Kettron, Charles W. Split Insulator
1,429,369 1922, Sept. 19 Parker, William Morrill Attaching Device
1,431,137 1922, Oct. 3 Austin, Arthur O. Joint for Articles of Ceramic & Similar Materials & Method of Producint Same
1,431,166 1922, Oct. 22 Locke, Fred M. Glass
1,446,067 1923, Feb. 20 Reagan, Frank H. Method of Connecting Insulator Units
1,449,793 1923, March Taylor, William Chittenden Glass and Process of Making Same
1,456,960 1923, May 29 Austin, Arthur O. Joint for Articles of Ceramic & Similar Materials & Method of Producint Same
1,458,754 1923, June 12 Goddard, Walter T. Insulator
1,470,322 1923, Oct. 9 Frederick, Harry A. Wireless Tie Insulator
1,474,736 1923, Nov. 20 Schaub, Ferdinand Insulator
1,475,722 1923, Nov. 27 Romandy, Joseph Insulator for Telephone and High-Tension Conductors
1,477,800 1923, Dec. 18 Austin, Arthur O. Connecting Joint
1,478,912 1923, Dec. 25 Plimpton, Bentley A. Insulator
1,484,051 1924, Feb. 19 Austin, Arthur O. Insulator
1,489,689 1924, April 8 Austin, Arthur O. Insulator
1,489,690 1924, April 8 Austin, Arthur O. Insulator and Method of Assembling the Same
1,489,809 1924, April 8 Austin, Arthur O. Insulator
1,490,080 1924, April 15 Austin, Arthur O. Insulator
1,500,814 1924, July 8 Hewlett, Edward M.  Link Insulator
1,509,074 1924, Sept. 16 Wilson, James Leslie Insulator
1,509,645 1924, Sept. 23 Foss, Marvin J.  Insulator
1,510,521 1924, Oct. 7 Locke, Fred M. Glass
1,516,884 1924, Nov. 25 Frederick, Harry A. Wireless Tie Insulator
1,521,433 1924, Dec. 30 Charlton, Robert W. Indicating Insulator
1,527,318 1925, Feb. 24 Lewis, Edwin  Insulator
1,529,259 1925, March 10 Locke, Fred M. (Locke, Fred M. & Locke, Fred J.) Glass
1,529,259 1925, March 10 Locke, Fred J. (Locke, Fred M. & Locke, Fred J.) Glass
1,530,298 1925, March 17 Chamberless, Young J. (Chamberless, Young J. & Lee, Ammie) Knob
1,530,298 1925, March 17 Lee, Ammie (Chamberless, Young J. & Lee, Ammie) Knob
1,536,749 1925, May 5 Austin, Arthur O. Insulator
1,543,779 1925, June 30 Littleton, Jesse T. Jr. (Littleton, Jesse T. Jr. & Fulcher, Gordon S.) Manufacture of Insulators 
1,543,779 1925, June 30 Fulcher, Gordon S. (Littleton, Jesse T. Jr. & Fulcher, Gordon S.) Manufacture of Insulators 
1,558,498 1925, Oct. 27 Peck, John M. (Peck, John M. & Bennett, Cornelius Van Dyke & Ryan, James W.) Method of Making Insulators
1,558,498 1925, Oct. 27 Bennett, Cornelius Van Dyke, (Peck, John M. &Bennett, Cornelius Van Dyke & Ryan, James W.) Method of Making Insulators
1,558,498 1925, Oct. 27 Ryan, James W. (Peck, John M. & Bennett, Cornelius Van Dyke & Ryan, James W.) Method of Making Insulators
1,572,730 1926, Feb. 9 Locke, Fred M. (Locke, Fred M. & Locke, Fred J.) Batch for Making Ceramic Material & to a Ceramic Material Made Thereof
1,572,730 1926, Feb. 9 Locke, Fred J. (Locke, Fred M. & Locke, Fred J.) Batch for Making Ceramic Material & to a Ceramic Material Made Thereof
1,592,042 1926, July 13 Newman, Maurice H. (Newman, Maurice H. & Gilardin, William A.) Insulator
1,592,042 1926, July 13 Gilardin, William A. (Newman, Maurice H. & Gilardin, William A.) Insulator
1,594,207 1926, July 27 Kyle, William D. Insulator
1,595,653 1926, Aug. 10 Gammon, Thomas E. (Gammon, Thomas E. & Averill, Henry D.) Tree Insulator
1,595,653 1926, Aug. 10 Averill, Henry D. (Gammon, Thomas E. & Averill, Henry D.) Tree Insulator
1,596,931 1926, Aug. 24 Joyce, Bryan P. Insulator
1,602,918 1926, Oct. 12 Martinez, Woodward J. Insulator
1,608,029 1926, Nov. 22 Locke, Fred M. Insulator
1,610,085 1926, Dec. 7 Goddard, Walter T. Insulator
1,620,804 1927, March 15 Cutter, Scott C. Insulator
1,625,645 1927, April 19 Fort, Louis Insulator
1,626,042 1927, April 26 Locke, Fred M. Glass
1,640,815 1927, Aug. 30 Brookman, Horace D. Insulator
1,642,658 1927, Sept. 13 Holmes, Mingot K. Glassworking Machine
1,651,201 1927, Nov. 29 Gouverneur, Minor F. H. Insulator
1,651,704 1927, Dec. 6 Hendee, Lem E. Line Insulator
1,659,731 1928, Feb. 21 Green, Estill I. Insulator
1,663,421 1928, March 20 Stubbing, Edwin L. Line Breaker
1,664,172 1928, March 27 Holler, John R. Insulator
1,668,581 1928, May 8 Brown, Donald McIntyre Electrical Insulating Knob
1,672,059 1928, June 5 Cook, William S. Insulator
1,675,589 1928, July 3 Babineau, Oliver David Insulator
1,677,346 1928, July 17 Jackson, Ray P. Insulator
1,678,663 1928, July 31 Wilson, Leon T. Insulator
1,684,312 1928, Sept. 11 Fischer, John J. (Fischer, John J. & Payne, Warren R.) Electrical Insulator
1,684,312 1928, Sept. 11 Payne, Warren R. (Fischer, John J. & Payne, Warren R.) Electrical Insulator
1,687,495 1928, Oct. 16 Gordon, Chester S. (Gordon, Chester S. & Lowe, James T.) Insulator
1,687,495 1928, Oct. 16 Lowe, James T. (Gordon, Chester S. & Lowe, James T.) Insulator
1,687,535 1928, Oct. 16 Affel, Herman A. (Affel, Herman A. & Green, Estill I.) Reduction of Losses in Insulators, Pins, and Cross Arms
1,687,535 1928, Oct. 16 Green, Estill I. (Affel, Herman A. & Green, Estill I.) Reduction of Losses in Insulators, Pins, and Cross Arms
1,688,411 1928, Oct. 23 Cook, William S. Electrical Insulator
1,691,964 1928, Nov. 20 Dickey, Ray S. (Dickey, Ray S. & Carnahan, Paul A.) Insulator-Locking Device
1,691,964 1928, Nov. 20 Carnahan, Paul A. (Dickey, Ray s. & Carnahan, Paul A.) Insulator-Locking Device
1,694,415 1928, Dec. 11 Gordon, Chester S.  Insulator
1,695,458 1928, Dec. 18 Goddard, Walter T. Insulator
1,700,166 1929, Jan. 29 Johnson, Benjamin Insulators for Bridle Wires
1,701,561 1929, Feb. 12 Gordon, Chester S. Insulator
1,701,562 1929, Feb. 12 Gordon, Chester S. Insulator
1,703,853 1929, Feb. 26 Gould, Rufus Dry-Spot Insulator
1,706,488 1929, March 26 Hawley, Kent A. Insulator
1,706,987 1929, March 26 Schaffler, Oscar Electric-Wire Insulator
1,707,054 1929, March 26 Doelter, Otto Insulator
1,708,038 1929, April 9 Wilson, Leon T. Low-Loss Insulator
1,709,477 1929, April 16 Kyle, William D. Insulator
1,712,860 1929, May 14 Weimar, Robert Transposition Pin
1,716,123 1929, June 4 Goddard, Walter T. Insulator
1,716,963 1929, June 11 Johnston, Robert M. Insulator
1,718,259 1929,June 25 Scott, Arthur C. (Scott, Arthur C. & Rupe, William G.) Insulator
1,718,259 1929,June 25 Rupe, William G. (Scott, Arthur C. & Rupe, William G.) Insulator
1,720,181 1929, July 9 Kyle, William D. Insulator
1,721,657 1929, July 23 Cutter, Scott C. Insulator
1,734,597 1929, Nov. 5 Salisbury, Moses B. Nonskidding Insulated Stool
1,736,043 1929, Nov. 19 Kyle, William D. Insulator
1,742,625 1930, Jan. 7 Weckerle, Ferdinand Process of Uniting by Sealing the Insulating Parts of High Tension Insulators
1,742,628 1930, Jan. 7 Barford, Svend High-Tension Insulator
1,744,674 1930, Jan. 21 Porter, Edward Y. Insulator Pin
1,755,587 1930, April 22 Broad, William Insulating Device
1,755,971 1930, April 22 Smalley, Robert C. Insulator
1,760,983 1930, June 3 Gordon, Chester (Gordon, Chester & Lowe, James T.) Insulator
1,760,983 1930, June 3 Lowe, James T. (Gordon, Chester S. & Lowe, James T.) Insulator
1,761,046 1930, June 3 Frautz, ChristianE. Transposition Device
1,768,943 1930, July 1 Baum, Frank George High-Voltage Insulator
1,779,501 1930, Oct. 28 Steinmayer, Alwin G. Insulator
1,779,811 1930, Oct. 28 Harvey, William F.  Method of Manufacturing Insulators
1,786,458 1930, Dec. 30 Shipman, Emanuel F. Insulating Nontilting Stool
1,788,245 1931, Jan. 6 Manson, Ralph H. Insulator Support
1,810,950 1931, June 23 Earhart, Albert C.  Insulator
1,824,766 1931, Sept. 29 Barrow, George M. Insulator
1,829,354 1931, Oct. 27 Houde, Victor Frederick Insulator
1,840,362 1932, Jan. 12 Hunter, Russell N. (Hunter, Russell N. & Stover, Herbert F.) Transposition Bracket for Insulators
1,840,362 1932, Jan. 12 Stover, Herbert F. (Hunter, Russell N. & Stover, Herbert F.) Transposition Bracket for Insulators
1,854,459 1932, April 19 Dienner, John A. Insulator
1,858,611 1932, May 17 Barford, Svend High Tension Insulator
1,861,316 1932, May 32 Montandon, Arthur Insulator
1,869,397 1932, Aug. 2 Stroup, Charles L. Insulator
1,882,486 1932, Oct. 11 Cole, William H. Insulator
1,866,280 1932, Nov. 1. Locke, Fred M. (Locke, Fred M. & Locke, Fred J.)  Ultra Violet Ray Transmitting Glass and to a Batch and Methodfor Making the Same
1,866,280 1932, Nov. 1. Locke, Fred J. (Locke, Fred M. & Locke, Fred J.)  Ultra Violet Ray Transmitting Glass and to a Batch and Methodfor Making the Same
1,894,292 1933, Jan. 17 Cramer, Walter Strain Insulator
1,912,456 1933, June 6 Klein, Charles H. Transposition Bracket
1,920,978 1933, Aug. 8 Fort, Louis Insulator
1,923,221 1933, Aug. 22 Locke, Fred M. (Locke, Fred M. & Locke, Fred J.) Process of Melting Glass
1,923,221 1933, Aug. 22 Locke, Fred J. (Locke, Fred M. & Locke, Fred J.) Process of Melting Glass
1,927,106 1933, Sept. 19 Wilson, Leon T. Insulator
1,931,626 1933, Oct. 24 Stevens, Frank J. Insulator
1,942,284 1934, Jan. 2 Halton, Geoffrey Herbert Electric Insulator
1,954,592 1934, April 10 Klingel, Edward L. Wire Support
1,955,609 1934, April 17 Rowland, Davidge H. Insulator
1,956,526 1934, April 24 Ellmann, John L. Insulated Support Cables for Electric Cables
1,967,654 1934, July 24 Austin, Arthur O. Insulator
1,975,297 1934, Oct. 2 Shaver, William W. Insulator
1,987,683 1935, Jan. 15 Hunt, Marsden H. (Hunt, Marsden H. & Barrow, George M.) Insulator
1,987,683 1935, Jan. 15 Barrow, George M. (Hunt, Marsden & Barrow, George M.) Insulator
1,988,369 1935, Jan. 15 Brown, Harrold H. Radio Interferenceproof Insulator
1,994,281 1935, March 12 Lusignan, Joseph T. Jr.  Insulator
1,994,282 1935, March 12 Lusignan, Joseph T. Jr.  Fog Type Insulator
2,023,808 1935, Dec. 10 Hawley, Kent A. Shielded Cemented Type Insulator
2,043,754 1936, June 9 Johnson, Edgar F. Transposition Insulator
2,072,201 1937, March 2 Dibble, Clarence H. Insulator and Method of Making It
2,084,866 1937, June 22 Plimpton, Bentley A. High Voltage Insulator
2,088,433 1937, July 27 Plimpton, Bentley A. Fog and Dust Insulator
2,089,791 1937, Aug. 10 Hammel, Victor F. Method of Making Electric Insulators
2,099,540 1937, Nov. 16 Smith, Donald H. Insulator Shield
2,118,795 1938, May 24 Littleton, Jesse T.  Insulator
2,133,768 1938, Oct. 18 Hostetter, John C. (Hostetter, John C. & Littleton, Jesse T.) Insulator
2,133,768 1938, Oct. 18 Littleton, Jesse T. (Hostetter, John C. & Littleton, Jesse T.) Insulator
2,135,344 1938, Nov. 1 Johnston, Fred E. Transposed Lead-In
2,135,360 1938, Nov. 1 Taylor, John J. Conductor Support
2,135,362 1938, Nov. 1 Taylor, John J. Insulator
2,135,558 1938, Nov. 8 Bott, Perry J. Insulator Shield
2,138,571 1938, Nov. 29 Dehmel, Richard C. Insulator
2,154,387 1939, April 11 Sleeman, Harold P. Electric Insulator
2,155,189 1939, April 18 Heinrich, Walter A. Electrical Wire Bracket
2,155,848 1939, April 25 Taylor, John J. Insulator
2,165,773 1939, July 11 Wheeler, Herbert H. (Wheeler, Herbert H. & McGinnis, Orris) Insulator for Communication Systems
2,165,773 1939, July 11 McGinnis, Orris (Wheeler, Herbert H. & McGinnis, Orris) Insulator for Communication Systems
2,165,773 1939, July 11 Wheeler, Herbert H. (Wheeler, Herbert H. & McGinnis, Orris) Insulator for Communication Systems
2,174,723 1939, Oct. 3 Hocher, Andrew A. Insulator
2,191,152 1940, Feb. 20 Hammel, Victor F. Electrical Insulator
2,191,171 1940, Feb. 20 Lee, Leffman H. (Lee, Leffman H. & Guthrie, James M.) Insulator
2,191,171 1940, Feb. 20 Guthrie, James M. (Lee, Leffman H. & Guthrie, James M.) Insulator
2,194,189 1940, March 19 Wheeler, Herbert H. (Wheeler, Herbert H., McGinnis, Orris & Thordarson, William) Pole Line Insulator
2,194,189 1940, March 19 McGinnis, Orris (Wheeler, Herbert H., McGinnis, Orris & Thordarson, William) Pole Line Insulator
2,194,189 1940, March 19 Thordarson, William (Wheeler, Herbert H., McGinnis, Orris & Thordarson, William) Pole Line Insulator
2,195,986 1940, April 2 Goddard, DeWitt Rugg Transmission Line Transportation
2,198,734 1940, April 30 Littleton, Jesse T. Insulator
2,213,425 1940, Sept. 3 Young, Harry M. Insulator Fastener
2,215,152 1940, Sept. 17 Hosfled, Glenn E. Insulator
2,218,497 1940, Oct. 15 Smith, Donald H. (Smith, Donald H. & Wheeler, Herbert H.) Electrical Insulator
2,218,497 1940, Oct. 15 Wheeler, Herbert H. (Smith, Donald H. & Wheeler, Herbert H.) Electrical Insulator
2,228,196 1941, Jan. 7 Boch, Oscar A. Insulator
2,250,044 1941, July 22 Crosky, Carl D. (Crosky, Carl D. & Rowland, Davidge H.) Insulator
2,250,044 1941, July 22 Rowland, Davidge H. (Crosky, Carl D. & Rowland, Davidge H.) Insulator
2,266,340 1941, Feb. 29 Sindlinger, Nevin Y. Insulator
2,266,400 1941, Dec. 16 Reed, Frederick Foster Insulator
2,274,955 1942, March 3 Dykstra, Laurence J. (Dykstra, Laurence J. & Meyer, Edwin M. High Tension Electric Insulator and Method of Coating Same
2,286,488 1942, June 16 Johnson, Lewis E. Spool Insulator
2,304,204 1942, Dec. 8 Ratzman, Borah B. Electrical Insulator
2,304,483 1942, Dec. 8 Smith, Donald H. (Smith, Donald H. & Wheeler, Herbert H.) Electrical Insulator
2,304,483 1942, Dec. 8 Wheeler, Herbert H. (Smith, Donald H. & Wheeler, Herbert H.) Electrical Insulator
2,305,688 1942, Dec. 22 Goddard, DeWitt Rugg Transposition Block
2,307,277 1943, Jan. 5 Klingel, Edward L. Wire Support
2,311,779 1943, Feb. 23 Schilling, Lorell John Insulating Apparatus for Electric Fences
2,343,576 1944, March 7 Pittman, Ralph R. Support for Electric Conductors
2,356,750 1944, Aug. 29 Case, Rogers Wire-Transposing Device
2,361,109 1944, Oct. 24 Kenneally, Martin M. Insulating Protectors for Conducting Wires
2,372,995 1945, April 3 Witmore, Paul G. Tap-Isolating Conductor Support
2,381,676 1945, Aug. 7 Matthews, Martin D. Insulator
2,406,095 1946, Aug. 20 Matthews, Martin D. Insulator
2,455,227 1948, Nov. 30 Case, Rogers Wire Transposing Device
2,455,228 1948, Nov. 30 Case, Rogers Transposition Bracket
2,455,229 1948, Nov. 30 Case, Rogers Transposition Bracket
2,517,221 1950, Aug. 1 Loux, Raymond A. Secondary and Service Rack Insulator
2,540,608 1951, Feb. 6 Bussmann, Aloysius B. Strain Insulator
2,623,094 1952, Dec. 23 Markley, William  Resiliently Mounted Spool Type Insulator
2,655,553 1953, Oct. 13 Case, Rogers Line Transposition Bracket With Reinforcing Gussets
2,688,654 1954, Sept. 7 Bussmann, Aloysius B. Insulator for Fence Posts
2,734,098 1956, Feb. 7 Bonnesen, Elmer Johannes Transposition Insulators
2,870,244 1959, Jan. 20 Jellyman, Phillip E. (Jellyman, Phillip E., Macintosh, Hamish Frasier & Wilcock, John E.) Glass Insulator Assembly Units
2,870,244 1959, Jan. 20 Macintosh, Hamish Frasier (Jellyman Phillip E., Macintosh, Hamish Frasier & Wilcock, John E.) Glass Insulator Assembly Units
2,870,244 1959, Jan. 20 Wilcock, John E. (Jellyman, Phillip E., Macintosh, Hamish Frasier & Wilcock, John E.) Glass Insulator Assembly Units
2,912,482 1959, Nov. 10 Raymond G. Horrocks of Lakewood, OH; Carroll de V. Miller of Rocky River, OH; and Theordore J. Brenner of Rocky River, OH.  Assigned to PLM Products, Inc. of Cleveland, OH Aerial Spacer, Triangular shaped
2,921,112 1960, Jan. 12 Dykstra, Laurence J. (Dykstra, Laurence J. & Grills, Lee J.) Electric Conductor Strand Separator Insulator
2,921,112 1960, Jan. 12 Grills, Lee J. (Dykstra, Laurence J. & Grills, Lee J.) Electric Conductor Strand Separator Insulator
3,061,667 1962, Oct. 30 Markley, William F. (Markley, William F. & Slater, James L.) Telegraph Pole Line Insulator
3,061,667 1962, Oct. 30 Slater, James L. (Markley, William F. & Slater, James L.) Telegraph Pole Line Insulator
3,141,063 1964, July 14 Edwards, Derrick Robert Toughened Glass Pin Type Insulator
3,251,014 1966, May 10 Stein, Laurence B., Jr. Electrical Coupling Device
4,047,279 1977, Sept. 13 Pettit, Ernest E. Upgrading Current Distribution Insulators