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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 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 1236576.pdf | 264 kB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1236576-A // Telegraphic transmission. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 264 kB | Shaun Ewing | Aug 14, 1917 00:00 | US-1236576-A // Telegraphic transmission. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1236575.pdf | 1013 kB | Shaun Ewing | Aug 14, 1917 00:00 |
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US-1236575-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 1013 kB | Shaun Ewing | Aug 14, 1917 00:00 | US-1236575-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1233769.pdf | 447 kB | Shaun Ewing | Jul 17, 1917 00:00 |
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US-1233769-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Jul 17, 1917 00:00 | US-1233769-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1233768.pdf | 590 kB | Shaun Ewing | Jul 17, 1917 00:00 |
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US-1233768-A // Inductance device. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Jul 17, 1917 00:00 | US-1233768-A // Inductance device. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1233767.pdf | 368 kB | Shaun Ewing | Jul 17, 1917 00:00 |
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US-1233767-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 368 kB | Shaun Ewing | Jul 17, 1917 00:00 | US-1233767-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1233766.pdf | 748 kB | Shaun Ewing | Jul 17, 1917 00:00 |
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US-1233766-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Jul 17, 1917 00:00 | US-1233766-A // Duplex circuit. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1232183.pdf | 396 kB | Shaun Ewing | Jul 03, 1917 00:00 |
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US-1232183-A // Controlling system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 396 kB | Shaun Ewing | Jul 03, 1917 00:00 | US-1232183-A // Controlling system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1228468.pdf | 264 kB | Shaun Ewing | Jun 05, 1917 00:00 |
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US-1228468-A // Method of locating special transposition-points. // Hughes Mouradian // American Telephone & Telegraph | |||
| Version 1 (current) | 264 kB | Shaun Ewing | Jun 05, 1917 00:00 | US-1228468-A // Method of locating special transposition-points. // Hughes Mouradian // American Telephone & Telegraph | ||||
| PDF File 1228167.pdf | 262 kB | Shaun Ewing | May 29, 1917 00:00 |
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US-1228167-A // Auxiliary-supervisory-signal system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 262 kB | Shaun Ewing | May 29, 1917 00:00 | US-1228167-A // Auxiliary-supervisory-signal system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1227735.pdf | 256 kB | Shaun Ewing | May 29, 1917 00:00 |
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US-1227735-A // System for connecting telephone-stations. // Leon D. Barrows ; Harry P. Charlesworth // American Telephone & Telegraph | |||
| Version 1 (current) | 256 kB | Shaun Ewing | May 29, 1917 00:00 | US-1227735-A // System for connecting telephone-stations. // Leon D. Barrows ; Harry P. Charlesworth // American Telephone & Telegraph | ||||
| PDF File 1227114.pdf | 920 kB | Shaun Ewing | May 22, 1917 00:00 |
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US-1227114-A // Electrical receiving, translating, or repeating circuit. // George A. Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 920 kB | Shaun Ewing | May 22, 1917 00:00 | US-1227114-A // Electrical receiving, translating, or repeating circuit. // George A. Campbell // American Telephone & Telegraph | ||||
| PDF File 1227113.pdf | 889 kB | Shaun Ewing | May 22, 1917 00:00 |
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US-1227113-A // Electric wave-filter. // George A. Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 889 kB | Shaun Ewing | May 22, 1917 00:00 | US-1227113-A // Electric wave-filter. // George A. Campbell // American Telephone & Telegraph | ||||
| PDF File 1224970.pdf | 146 kB | Shaun Ewing | May 08, 1917 00:00 |
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US-1224970-A // Lineman's shield. // Frank K. Singer // American Telephone & Telegraph | |||
| Version 1 (current) | 146 kB | Shaun Ewing | May 08, 1917 00:00 | US-1224970-A // Lineman's shield. // Frank K. Singer // American Telephone & Telegraph | ||||
| PDF File 1223376.pdf | 433 kB | Shaun Ewing | Apr 24, 1917 00:00 |
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US-1223376-A // Wireless receiving system. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Apr 24, 1917 00:00 | US-1223376-A // Wireless receiving system. // Lloyd Espenschied // 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 | ||||
| PDF File 1222771.pdf | 229 kB | Shaun Ewing | Apr 17, 1917 00:00 |
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US-1222771-A // Telegraphic receiving organisms. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 229 kB | Shaun Ewing | Apr 17, 1917 00:00 | US-1222771-A // Telegraphic receiving organisms. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1222303.pdf | 552 kB | Shaun Ewing | Apr 10, 1917 00:00 |
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US-1222303-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 552 kB | Shaun Ewing | Apr 10, 1917 00:00 | US-1222303-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1222077.pdf | 664 kB | Shaun Ewing | Apr 10, 1917 00:00 |
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US-1222077-A // Fraud-detecting telephone toll system. // Volney D. Cousins // American Telephone & Telegraph | |||
| Version 1 (current) | 664 kB | Shaun Ewing | Apr 10, 1917 00:00 | US-1222077-A // Fraud-detecting telephone toll system. // Volney D. Cousins // American Telephone & Telegraph |
