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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1632826.pdf | 338 kB | Shaun Ewing | Jun 21, 1927 00:00 |
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US-1632826-A // Trunk signaling system // Eagon Lloyd L. // American Telephone & Telegraph | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Jun 21, 1927 00:00 | US-1632826-A // Trunk signaling system // Eagon Lloyd L. // American Telephone & Telegraph | ||||
| PDF File 1702308.pdf | 337 kB | Shaun Ewing | Feb 19, 1929 00:00 |
|
US-1702308-A // Intercommunicating system // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 337 kB | Shaun Ewing | Feb 19, 1929 00:00 | US-1702308-A // Intercommunicating system // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1717410.pdf | 337 kB | Shaun Ewing | Jun 18, 1929 00:00 |
|
US-1717410-A // Attenuation compensator // Roberts Leland C. // American Telephone & Telegraph | |||
| Version 1 (current) | 337 kB | Shaun Ewing | Jun 18, 1929 00:00 | US-1717410-A // Attenuation compensator // Roberts Leland C. // American Telephone & Telegraph | ||||
| PDF File 1553465.pdf | 336 kB | Shaun Ewing | Sept 15, 1925 00:00 |
|
US-1553465-A // Testing apparatus // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 336 kB | Shaun Ewing | Sept 15, 1925 00:00 | US-1553465-A // Testing apparatus // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1605469.pdf | 335 kB | Shaun Ewing | Nov 02, 1926 00:00 |
|
US-1605469-A // Long-distance cable // Sattelberg Otto // American Telephone & Telegraph | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Nov 02, 1926 00:00 | US-1605469-A // Long-distance cable // Sattelberg Otto // American Telephone & Telegraph | ||||
| PDF File 1650865.pdf | 333 kB | Shaun Ewing | Nov 29, 1927 00:00 |
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US-1650865-A // Headband for telephone receivers // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Nov 29, 1927 00:00 | US-1650865-A // Headband for telephone receivers // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1477528.pdf | 333 kB | Shaun Ewing | Dec 18, 1923 00:00 |
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US-1477528-A // Signaling // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Dec 18, 1923 00:00 | US-1477528-A // Signaling // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1651451.pdf | 333 kB | Shaun Ewing | Dec 06, 1927 00:00 |
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US-1651451-A // Battery light // Fish Lewin B. // American Telephone & Telegraph | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Dec 06, 1927 00:00 | US-1651451-A // Battery light // Fish Lewin B. // American Telephone & Telegraph | ||||
| PDF File 1754234.pdf | 332 kB | Shaun Ewing | Apr 15, 1930 00:00 |
|
US-1754234-A // Vacuum tube // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Apr 15, 1930 00:00 | US-1754234-A // Vacuum tube // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1546432.pdf | 332 kB | Shaun Ewing | Jul 21, 1925 00:00 |
|
US-1546432-A // Relay and circuits therefor // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Jul 21, 1925 00:00 | US-1546432-A // Relay and circuits therefor // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1685161.pdf | 331 kB | Shaun Ewing | Sept 25, 1928 00:00 |
|
US-1685161-A // Multiwinding discharge balance coil // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Sept 25, 1928 00:00 | US-1685161-A // Multiwinding discharge balance coil // Honaman Richard K. // American Telephone & Telegraph | ||||
| PDF File 1658887.pdf | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 |
|
US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658887-A // Duct grapple // Dotzauer John F. // American Telephone & Telegraph | ||||
| PDF File 1547217.pdf | 331 kB | Shaun Ewing | Jul 28, 1925 00:00 |
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US-1547217-A // Phase regulator for multifrequency generators // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Jul 28, 1925 00:00 | US-1547217-A // Phase regulator for multifrequency generators // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1472087.pdf | 330 kB | Shaun Ewing | Oct 30, 1923 00:00 |
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US-1472087-A // Gas-heated soldering iron // Pike Vernon B. // American Telephone & Telegraph | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Oct 30, 1923 00:00 | US-1472087-A // Gas-heated soldering iron // Pike Vernon B. // American Telephone & Telegraph | ||||
| PDF File 1746239.pdf | 330 kB | Shaun Ewing | Feb 11, 1930 00:00 |
|
US-1746239-A // Transmission-measuring system // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746239-A // Transmission-measuring system // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1708974.pdf | 330 kB | Shaun Ewing | Apr 16, 1929 00:00 |
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US-1708974-A // Submarine-cable telegraphy // Parker Ralzemond D. ; Overton Warner L. // American Telephone & Telegraph | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Apr 16, 1929 00:00 | US-1708974-A // Submarine-cable telegraphy // Parker Ralzemond D. ; Overton Warner L. // American Telephone & Telegraph | ||||
| PDF File 1585729.pdf | 329 kB | Shaun Ewing | May 25, 1926 00:00 |
|
US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1670375.pdf | 329 kB | Shaun Ewing | May 22, 1928 00:00 |
|
US-1670375-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 22, 1928 00:00 | US-1670375-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1559659.pdf | 329 kB | Shaun Ewing | Nov 03, 1925 00:00 |
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US-1559659-A // Service-observing equipment for automatic telephone systems // Walters James N. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | Nov 03, 1925 00:00 | US-1559659-A // Service-observing equipment for automatic telephone systems // Walters James N. // American Telephone & Telegraph | ||||
| PDF File 1719896.pdf | 329 kB | Shaun Ewing | Jul 09, 1929 00:00 |
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US-1719896-A // Reduction of fading of radiosignals // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | Jul 09, 1929 00:00 | US-1719896-A // Reduction of fading of radiosignals // Martin De Loss K. // American Telephone & Telegraph |
