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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 1708038.pdf | 341 kB | Shaun Ewing | Apr 09, 1929 00:00 |
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US-1708038-A // Low-loss insulator // Wilson Leon T. // American Telephone & Telegraph | |||
| Version 1 (current) | 341 kB | Shaun Ewing | Apr 09, 1929 00:00 | US-1708038-A // Low-loss insulator // Wilson Leon T. // American Telephone & Telegraph | ||||
| PDF File 1708027.pdf | 322 kB | Shaun Ewing | Apr 09, 1929 00:00 |
|
US-1708027-A // Control device for vacuum tubes // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Apr 09, 1929 00:00 | US-1708027-A // Control device for vacuum tubes // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1707997.pdf | 516 kB | Shaun Ewing | Apr 09, 1929 00:00 |
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US-1707997-A // Telegraph system // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 516 kB | Shaun Ewing | Apr 09, 1929 00:00 | US-1707997-A // Telegraph system // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1707265.pdf | 326 kB | Shaun Ewing | Apr 02, 1929 00:00 |
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US-1707265-A // Means for testing lever keys // Hansen Arnold A. // American Telephone & Telegraph | |||
| Version 1 (current) | 326 kB | Shaun Ewing | Apr 02, 1929 00:00 | US-1707265-A // Means for testing lever keys // Hansen Arnold A. // American Telephone & Telegraph | ||||
| PDF File 1707261.pdf | 210 kB | Shaun Ewing | Apr 02, 1929 00:00 |
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US-1707261-A // Recording and reproduction of sound waves // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 210 kB | Shaun Ewing | Apr 02, 1929 00:00 | US-1707261-A // Recording and reproduction of sound waves // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1707260.pdf | 242 kB | Shaun Ewing | Apr 02, 1929 00:00 |
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US-1707260-A // Recording and reproducing of sound waves // Fetter Charles H. // American Telephone & Telegraph | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Apr 02, 1929 00:00 | US-1707260-A // Recording and reproducing of sound waves // Fetter Charles H. // American Telephone & Telegraph | ||||
| PDF File 1706538.pdf | 409 kB | Shaun Ewing | Mar 26, 1929 00:00 |
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US-1706538-A // Testing television and like system // Mertz Pierre // American Telephone & Telegraph | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Mar 26, 1929 00:00 | US-1706538-A // Testing television and like system // Mertz Pierre // American Telephone & Telegraph | ||||
| PDF File 1706490.pdf | 394 kB | Shaun Ewing | Mar 26, 1929 00:00 |
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US-1706490-A // Carrier-amplitude control in radio systems // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 394 kB | Shaun Ewing | Mar 26, 1929 00:00 | US-1706490-A // Carrier-amplitude control in radio systems // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1706472.pdf | 353 kB | Shaun Ewing | Mar 26, 1929 00:00 |
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US-1706472-A // Echo suppressor // Wright Sumner B. // American Telephone & Telegraph | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Mar 26, 1929 00:00 | US-1706472-A // Echo suppressor // Wright Sumner B. // American Telephone & Telegraph | ||||
| PDF File 1705561.pdf | 506 kB | Shaun Ewing | Mar 19, 1929 00:00 |
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US-1705561-A // Electrical testing system // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | |||
| Version 1 (current) | 506 kB | Shaun Ewing | Mar 19, 1929 00:00 | US-1705561-A // Electrical testing system // Edwards Paul G. ; Herrington Harold W. // American Telephone & Telegraph | ||||
| PDF File 1705551.pdf | 722 kB | Shaun Ewing | Mar 19, 1929 00:00 |
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US-1705551-A // Electrooptical transmission // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 722 kB | Shaun Ewing | Mar 19, 1929 00:00 | US-1705551-A // Electrooptical transmission // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 1704806.pdf | 457 kB | Shaun Ewing | Mar 12, 1929 00:00 |
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US-1704806-A // Signaling system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 457 kB | Shaun Ewing | Mar 12, 1929 00:00 | US-1704806-A // Signaling system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1704786.pdf | 408 kB | Shaun Ewing | Mar 12, 1929 00:00 |
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US-1704786-A // Cross-talk meter // Chapman Arthur G. // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Mar 12, 1929 00:00 | US-1704786-A // Cross-talk meter // Chapman Arthur G. // American Telephone & Telegraph | ||||
| PDF File 1704780.pdf | 534 kB | Shaun Ewing | Mar 12, 1929 00:00 |
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US-1704780-A // Method and means for simultaneously signaling all subscribers of carrier telegraph systems // Affel Herman A. ; Hamilton Baxter P. ; Thorp Vaughn P. ; Clapp Robert H. // American Telephone & Telegraph | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Mar 12, 1929 00:00 | US-1704780-A // Method and means for simultaneously signaling all subscribers of carrier telegraph systems // Affel Herman A. ; Hamilton Baxter P. ; Thorp Vaughn P. ; Clapp Robert H. // American Telephone & Telegraph | ||||
| PDF File 1703972.pdf | 413 kB | Shaun Ewing | Mar 05, 1929 00:00 |
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US-1703972-A // Printing-telegraph system // Watson Edward Fisk // American Telephone & Telegraph | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Mar 05, 1929 00:00 | US-1703972-A // Printing-telegraph system // Watson Edward Fisk // American Telephone & Telegraph | ||||
| PDF File 1703870.pdf | 202 kB | Shaun Ewing | Mar 05, 1929 00:00 |
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US-1703870-A // Radioantenna // Demarest Charles S. ; Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 202 kB | Shaun Ewing | Mar 05, 1929 00:00 | US-1703870-A // Radioantenna // Demarest Charles S. ; Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1703147.pdf | 458 kB | Shaun Ewing | Feb 26, 1929 00:00 |
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US-1703147-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 458 kB | Shaun Ewing | Feb 26, 1929 00:00 | US-1703147-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1703146.pdf | 416 kB | Shaun Ewing | Feb 26, 1929 00:00 |
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US-1703146-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Feb 26, 1929 00:00 | US-1703146-A // Rectifier alarm system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1703142.pdf | 838 kB | Shaun Ewing | Feb 26, 1929 00:00 |
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US-1703142-A // Compensation for phase variations // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 838 kB | Shaun Ewing | Feb 26, 1929 00:00 | US-1703142-A // Compensation for phase variations // Green Estill I. // American Telephone & Telegraph |
