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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1356557.pdf | 320 kB | Shaun Ewing | Oct 26, 1920 00:00 |
|
US-1356557-A // Roller-clutch // Potts Louis M. // American Telephone & Telegraph | |||
| Version 1 (current) | 320 kB | Shaun Ewing | Oct 26, 1920 00:00 | US-1356557-A // Roller-clutch // Potts Louis M. // American Telephone & Telegraph | ||||
| PDF File 1356546.pdf | 691 kB | Shaun Ewing | Oct 26, 1920 00:00 |
|
US-1356546-A // Ciphering system // Morehouse Lyman F. // American Telephone & Telegraph | |||
| Version 1 (current) | 691 kB | Shaun Ewing | Oct 26, 1920 00:00 | US-1356546-A // Ciphering system // Morehouse Lyman F. // American Telephone & Telegraph | ||||
| PDF File 1355897.pdf | 1.24 MB | Shaun Ewing | Oct 19, 1920 00:00 |
|
US-1355897-A // Testing-circuit for repeaters equipped with automatic networkselectors // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Oct 19, 1920 00:00 | US-1355897-A // Testing-circuit for repeaters equipped with automatic networkselectors // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1355147.pdf | 840 kB | Shaun Ewing | Oct 12, 1920 00:00 |
|
US-1355147-A // Network-selecting device // Jacobs Oliver B. // American Telephone & Telegraph | |||
| Version 1 (current) | 840 kB | Shaun Ewing | Oct 12, 1920 00:00 | US-1355147-A // Network-selecting device // Jacobs Oliver B. // American Telephone & Telegraph | ||||
| PDF File 1354229.pdf | 288 kB | Shaun Ewing | Sept 28, 1920 00:00 |
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US-1354229-A // Telephone-transmitter // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 288 kB | Shaun Ewing | Sept 28, 1920 00:00 | US-1354229-A // Telephone-transmitter // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1353735.pdf | 450 kB | Shaun Ewing | Sept 21, 1920 00:00 |
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US-1353735-A // Antenna structure // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Sept 21, 1920 00:00 | US-1353735-A // Antenna structure // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1353698.pdf | 491 kB | Shaun Ewing | Sept 21, 1920 00:00 |
|
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 1353637.pdf | 520 kB | Shaun Ewing | Sept 21, 1920 00:00 |
|
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 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 | ||||
| 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 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 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 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 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 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 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 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 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 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 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 |
