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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1318937.pdf | 1.17 MB | Shaun Ewing | Oct 14, 1919 00:00 |
|
US-1318937-A // toomey and c // John F. Toomey, Of New Yoe-K, And Charles S, Demarest, Of Brooklyn, New York, // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 1.17 MB | Shaun Ewing | Oct 14, 1919 00:00 | US-1318937-A // toomey and c // John F. Toomey, Of New Yoe-K, And Charles S, Demarest, Of Brooklyn, New York, // American Telephone & Telegraph, New York NY | ||||
| PDF File 1320489.pdf | 394 kB | Shaun Ewing | Nov 04, 1919 00:00 |
|
US-1320489-A // Method of constructing telephone-circuits // Harold S. Osbobhe, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Nov 04, 1919 00:00 | US-1320489-A // Method of constructing telephone-circuits // Harold S. Osbobhe, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1321723.pdf | 322 kB | Shaun Ewing | Nov 11, 1919 00:00 |
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US-1321723-A // Through ringing repeater circuits. // Charles S. Demarest // American Telephone & Telegraph | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Nov 11, 1919 00:00 | US-1321723-A // Through ringing repeater circuits. // Charles S. Demarest // American Telephone & Telegraph | ||||
| PDF File 1326719.pdf | 582 kB | Shaun Ewing | Dec 30, 1919 00:00 |
|
US-1326719-A // System of generating electrical currents // Otto A. Fretjnd, of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Dec 30, 1919 00:00 | US-1326719-A // System of generating electrical currents // Otto A. Fretjnd, of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1329949.pdf | 652 kB | Shaun Ewing | Feb 03, 1920 00:00 |
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US-1329949-A // Electrical measuring apparatus // Blackwell Otto B. ; Shaw Thomas ; Koukol Clement J. // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Feb 03, 1920 00:00 | US-1329949-A // Electrical measuring apparatus // Blackwell Otto B. ; Shaw Thomas ; Koukol Clement J. // American Telephone ; Telegraph Company | ||||
| PDF File 1332927.pdf | 226 kB | Shaun Ewing | Mar 09, 1920 00:00 |
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US-1332927-A // Reeling device // Smith Temple C. // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Mar 09, 1920 00:00 | US-1332927-A // Reeling device // Smith Temple C. // American Telephone ; Telegraph Company | ||||
| PDF File 1333111.pdf | 262 kB | Shaun Ewing | Mar 09, 1920 00:00 |
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US-1333111-A // Impedance-equalizer for use with transformers // Hoyt Ray S. // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Mar 09, 1920 00:00 | US-1333111-A // Impedance-equalizer for use with transformers // Hoyt Ray S. // American Telephone ; Telegraph Company | ||||
| PDF File 1334674.pdf | 231 kB | Shaun Ewing | Mar 23, 1920 00:00 |
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US-1334674-A // Ratchet-screwdriver // Jr. Alphonse Pannitti, // American Telephone ; Telegraph Company | |||
| Version 1 (current) | 231 kB | Shaun Ewing | Mar 23, 1920 00:00 | US-1334674-A // Ratchet-screwdriver // Jr. Alphonse Pannitti, // American Telephone ; Telegraph Company | ||||
| PDF File 1336558.pdf | 216 kB | Shaun Ewing | Apr 13, 1920 00:00 |
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US-1336558-A // Anti-abrasion cable-support // Gherardi Bancroft // American Telephone & Telegraph | |||
| Version 1 (current) | 216 kB | Shaun Ewing | Apr 13, 1920 00:00 | US-1336558-A // Anti-abrasion cable-support // Gherardi Bancroft // 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 1340989.pdf | 441 kB | Shaun Ewing | May 25, 1920 00:00 |
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US-1340989-A // Aerial-cable guide // Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 441 kB | Shaun Ewing | May 25, 1920 00:00 | US-1340989-A // Aerial-cable guide // Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 1343308.pdf | 586 kB | Shaun Ewing | Jun 15, 1920 00:00 |
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US-1343308-A // Duplex translating-circuits // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jun 15, 1920 00:00 | US-1343308-A // Duplex translating-circuits // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 1347049.pdf | 276 kB | Shaun Ewing | Jul 20, 1920 00:00 |
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US-1347049-A // Correcting circuits for high-distortion lines // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 276 kB | Shaun Ewing | Jul 20, 1920 00:00 | US-1347049-A // Correcting circuits for high-distortion lines // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1348909.pdf | 335 kB | Shaun Ewing | Aug 10, 1920 00:00 |
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US-1348909-A // Telephone toll-circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Aug 10, 1920 00:00 | US-1348909-A // Telephone toll-circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1351845.pdf | 242 kB | Shaun Ewing | Sept 07, 1920 00:00 |
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US-1351845-A // Anchoring device // Fish Lewin Benjamin // American Telephone & Telegraph | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Sept 07, 1920 00:00 | US-1351845-A // Anchoring device // Fish Lewin Benjamin // American Telephone & Telegraph | ||||
| PDF File 1351863.pdf | 419 kB | Shaun Ewing | Sept 07, 1920 00:00 |
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US-1351863-A // Telephone-repeater // Mills John // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Sept 07, 1920 00:00 | US-1351863-A // Telephone-repeater // Mills John // American Telephone & Telegraph | ||||
| PDF File 1352549.pdf | 267 kB | Shaun Ewing | Sept 14, 1920 00:00 |
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US-1352549-A // Cable-hanger // Jr. Charles G. Sinclair, // American Telephone & Telegraph | |||
| Version 1 (current) | 267 kB | Shaun Ewing | Sept 14, 1920 00:00 | US-1352549-A // Cable-hanger // Jr. Charles G. Sinclair, // American Telephone & Telegraph | ||||
| PDF File 1352786.pdf | 449 kB | Shaun Ewing | Sept 14, 1920 00:00 |
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US-1352786-A // Four-wire transmission system // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Sept 14, 1920 00:00 | US-1352786-A // Four-wire transmission system // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1352828.pdf | 295 kB | Shaun Ewing | Sept 14, 1920 00:00 |
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US-1352828-A // Four-wire circuit // Mills John // American Telephone & Telegraph | |||
| Version 1 (current) | 295 kB | Shaun Ewing | Sept 14, 1920 00:00 | US-1352828-A // Four-wire circuit // Mills John // American Telephone & Telegraph | ||||
| PDF File 1353031.pdf | 908 kB | Shaun Ewing | Sept 14, 1920 00:00 |
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US-1353031-A // Vacuum-bulb for signaling apparatus // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Sept 14, 1920 00:00 | US-1353031-A // Vacuum-bulb for signaling apparatus // Demarest Charles S. // American Telephone & Telegraph |
