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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1488207.pdf | 584 kB | Shaun Ewing | Mar 25, 1924 00:00 |
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US-1488207-A // Signaling system // Kuhn George W. ; Ramsdell Roger G. // American Telephone & Telegraph | |||
| Version 1 (current) | 584 kB | Shaun Ewing | Mar 25, 1924 00:00 | US-1488207-A // Signaling system // Kuhn George W. ; Ramsdell Roger G. // American Telephone & Telegraph | ||||
| PDF File 1488847.pdf | 1.89 MB | Shaun Ewing | Apr 01, 1924 00:00 |
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US-1488847-A // Telephone system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.89 MB | Shaun Ewing | Apr 01, 1924 00:00 | US-1488847-A // Telephone system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1490165.pdf | 1.13 MB | Shaun Ewing | Apr 15, 1924 00:00 |
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US-1490165-A // Balanced antenna system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Apr 15, 1924 00:00 | US-1490165-A // Balanced antenna system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1490166.pdf | 935 kB | Shaun Ewing | Apr 15, 1924 00:00 |
|
US-1490166-A // Carrier telegraph circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 935 kB | Shaun Ewing | Apr 15, 1924 00:00 | US-1490166-A // Carrier telegraph circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1490993.pdf | 325 kB | Shaun Ewing | Apr 22, 1924 00:00 |
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US-1490993-A // Apparatus and circuits for preventing side tone // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 325 kB | Shaun Ewing | Apr 22, 1924 00:00 | US-1490993-A // Apparatus and circuits for preventing side tone // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1491848.pdf | 327 kB | Shaun Ewing | Apr 29, 1924 00:00 |
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US-1491848-A // Artificial line // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 327 kB | Shaun Ewing | Apr 29, 1924 00:00 | US-1491848-A // Artificial line // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1491867.pdf | 1.14 MB | Shaun Ewing | Apr 29, 1924 00:00 |
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US-1491867-A // Electrical switching device // Kuhn George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Apr 29, 1924 00:00 | US-1491867-A // Electrical switching device // Kuhn George W. // American Telephone & Telegraph | ||||
| PDF File 1492868.pdf | 1.65 MB | Shaun Ewing | May 06, 1924 00:00 |
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US-1492868-A // Telephone system // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | May 06, 1924 00:00 | US-1492868-A // Telephone system // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1493600.pdf | 1.01 MB | Shaun Ewing | May 13, 1924 00:00 |
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US-1493600-A // Wave filter // Campbell George A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | May 13, 1924 00:00 | US-1493600-A // Wave filter // Campbell George A. // American Telephone & Telegraph | ||||
| PDF File 1493619.pdf | 1.25 MB | Shaun Ewing | May 13, 1924 00:00 |
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US-1493619-A // Carrier-transmission system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | May 13, 1924 00:00 | US-1493619-A // Carrier-transmission system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1494347.pdf | 457 kB | Shaun Ewing | May 20, 1924 00:00 |
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US-1494347-A // High-speed radio system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | May 20, 1924 00:00 | US-1494347-A // High-speed radio system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1494382.pdf | 517 kB | Shaun Ewing | May 20, 1924 00:00 |
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US-1494382-A // Means for preventing electrical interference // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | May 20, 1924 00:00 | US-1494382-A // Means for preventing electrical interference // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1495226.pdf | 272 kB | Shaun Ewing | May 27, 1924 00:00 |
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US-1495226-A // Detecting circuits // Hamilton Baxter P. // American Telephone & Telegraph | |||
| Version 1 (current) | 272 kB | Shaun Ewing | May 27, 1924 00:00 | US-1495226-A // Detecting circuits // Hamilton Baxter P. // American Telephone & Telegraph | ||||
| PDF File 1496014.pdf | 449 kB | Shaun Ewing | Jun 03, 1924 00:00 |
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US-1496014-A // Multichannel circuits // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Jun 03, 1924 00:00 | US-1496014-A // Multichannel circuits // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1496847.pdf | 653 kB | Shaun Ewing | Jun 10, 1924 00:00 |
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US-1496847-A // Telephone-exchange system // Hoffmann Henry L. // American Telephone & Telegraph | |||
| Version 1 (current) | 653 kB | Shaun Ewing | Jun 10, 1924 00:00 | US-1496847-A // Telephone-exchange system // Hoffmann Henry L. // American Telephone & Telegraph | ||||
| PDF File 1496848.pdf | 522 kB | Shaun Ewing | Jun 10, 1924 00:00 |
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US-1496848-A // Selective-signaling system // Holden William H.t. // American Telephone & Telegraph | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Jun 10, 1924 00:00 | US-1496848-A // Selective-signaling system // Holden William H.t. // American Telephone & Telegraph | ||||
| PDF File 1497714.pdf | 262 kB | Shaun Ewing | Jun 17, 1924 00:00 |
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US-1497714-A // Secret-communication system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 262 kB | Shaun Ewing | Jun 17, 1924 00:00 | US-1497714-A // Secret-communication system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1498568.pdf | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 896 kB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498568-A // Equalization of carrier transmissions // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1498592.pdf | 1.04 MB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498592-A // Telephone system // Toomey John F. ; Loynes Owen H. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498592-A // Telephone system // Toomey John F. ; Loynes Owen H. // American Telephone & Telegraph | ||||
| PDF File 1498915.pdf | 770 kB | Shaun Ewing | Jun 24, 1924 00:00 |
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US-1498915-A // Artificial line // Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 770 kB | Shaun Ewing | Jun 24, 1924 00:00 | US-1498915-A // Artificial line // Hoyt Ray S. // American Telephone & Telegraph |
