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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1353637.pdf | 520 kB | Shaun Ewing | Sept 21, 1920 00:00 |
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US-1353637-A // Repeater-circuit // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Sept 21, 1920 00:00 | US-1353637-A // Repeater-circuit // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1221870.pdf | 520 kB | Shaun Ewing | Apr 10, 1917 00:00 |
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US-1221870-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Apr 10, 1917 00:00 | US-1221870-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 736019.pdf | 512 kB | Shaun Ewing | Aug 11, 1903 00:00 |
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US-736019-A // Protective fuse apparatus. // Wilton L. Richards // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Aug 11, 1903 00:00 | US-736019-A // Protective fuse apparatus. // Wilton L. Richards // American Telephone & Telegraph | ||||
| PDF File 1092151.pdf | 510 kB | Shaun Ewing | Apr 07, 1914 00:00 |
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US-1092151-A // Telegraphic receiving organism. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Apr 07, 1914 00:00 | US-1092151-A // Telegraphic receiving organism. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1357979.pdf | 504 kB | Shaun Ewing | Nov 09, 1920 00:00 |
|
US-1357979-A // Transmission-equalization arrangement // Harper Alfred U. // American Telephone & Telegraph | |||
| Version 1 (current) | 504 kB | Shaun Ewing | Nov 09, 1920 00:00 | US-1357979-A // Transmission-equalization arrangement // Harper Alfred U. // American Telephone & Telegraph | ||||
| PDF File 1340260.pdf | 503 kB | Shaun Ewing | May 18, 1920 00:00 |
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US-1340260-A // Registering-circuits for coin-boxes // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 503 kB | Shaun Ewing | May 18, 1920 00:00 | US-1340260-A // Registering-circuits for coin-boxes // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1198345.pdf | 502 kB | Shaun Ewing | Sept 12, 1916 00:00 |
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US-1198345-A // Telephone-transmitter. // Elwood Grissinger // American Telephone & Telegraph | |||
| Version 1 (current) | 502 kB | Shaun Ewing | Sept 12, 1916 00:00 | US-1198345-A // Telephone-transmitter. // Elwood Grissinger // American Telephone & Telegraph | ||||
| PDF File 1312433.pdf | 496 kB | Shaun Ewing | Aug 05, 1919 00:00 |
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US-1312433-A // carson // John B. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Aug 05, 1919 00:00 | US-1312433-A // carson // John B. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1088708.pdf | 495 kB | Shaun Ewing | Mar 03, 1914 00:00 |
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US-1088708-A // Telegraph system. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Mar 03, 1914 00:00 | US-1088708-A // Telegraph system. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1353698.pdf | 491 kB | Shaun Ewing | Sept 21, 1920 00:00 |
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US-1353698-A // Combined carrier and radio system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Sept 21, 1920 00:00 | US-1353698-A // Combined carrier and radio system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 534373.pdf | 489 kB | Shaun Ewing | Feb 19, 1895 00:00 |
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US-534373-A // Telephone and signaling circuit // Frank A. Pickernell, Of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Feb 19, 1895 00:00 | US-534373-A // Telephone and signaling circuit // Frank A. Pickernell, Of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 1238008.pdf | 482 kB | Shaun Ewing | Aug 21, 1917 00:00 |
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US-1238008-A // Telegraph system. // John M. Fell // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Aug 21, 1917 00:00 | US-1238008-A // Telegraph system. // John M. Fell // American Telephone & Telegraph | ||||
| PDF File 863230.pdf | 482 kB | Shaun Ewing | Aug 13, 1907 00:00 |
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US-863230-A // Telephone repeater-circuit. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 482 kB | Shaun Ewing | Aug 13, 1907 00:00 | US-863230-A // Telephone repeater-circuit. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 767900.pdf | 481 kB | Shaun Ewing | Aug 16, 1904 00:00 |
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US-767900-A // Insulated conductor and process. // John C. Lee // American Telephone & Telegraph | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Aug 16, 1904 00:00 | US-767900-A // Insulated conductor and process. // John C. Lee // American Telephone & Telegraph | ||||
| PDF File 705685.pdf | 480 kB | Shaun Ewing | Jul 29, 1902 00:00 |
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US-705685-A // Telephony. // Joseph Lyons // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Jul 29, 1902 00:00 | US-705685-A // Telephony. // Joseph Lyons // American Telephone & Telegraph | ||||
| PDF File 942807.pdf | 480 kB | Shaun Ewing | Dec 07, 1909 00:00 |
|
US-942807-A // Telegraphic repeating apparatus. // William E. Athearn // American Telephone & Telegraph | |||
| Version 1 (current) | 480 kB | Shaun Ewing | Dec 07, 1909 00:00 | US-942807-A // Telegraphic repeating apparatus. // William E. Athearn // American Telephone & Telegraph | ||||
| PDF File 758468.pdf | 479 kB | Shaun Ewing | Apr 26, 1904 00:00 |
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US-758468-A // Alternating-current signal-receiving apparatus. // Greenleaf W. Pickard // American Telephone & Telegraph | |||
| Version 1 (current) | 479 kB | Shaun Ewing | Apr 26, 1904 00:00 | US-758468-A // Alternating-current signal-receiving apparatus. // Greenleaf W. Pickard // American Telephone & Telegraph | ||||
| PDF File 1210314.pdf | 478 kB | Shaun Ewing | Dec 26, 1916 00:00 |
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US-1210314-A // Telephone toll system. // Alfred U. Hoefer ; Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Dec 26, 1916 00:00 | US-1210314-A // Telephone toll system. // Alfred U. Hoefer ; Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1238009.pdf | 478 kB | Shaun Ewing | Aug 21, 1917 00:00 |
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US-1238009-A // Telegraph-repeater. // John M. Fell // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Aug 21, 1917 00:00 | US-1238009-A // Telegraph-repeater. // John M. Fell // American Telephone & Telegraph | ||||
| PDF File 1222810.pdf | 475 kB | Shaun Ewing | Apr 17, 1917 00:00 |
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US-1222810-A // Protective system for composite circuits. // Thomas Shaw // American Telephone & Telegraph | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Apr 17, 1917 00:00 | US-1222810-A // Protective system for composite circuits. // Thomas Shaw // American Telephone & Telegraph |
