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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1757173.pdf | 419 kB | Shaun Ewing | May 06, 1930 00:00 |
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US-1757173-A // Combined cutter and pressure roller device // Dingman James E. ; Engelbert Robert F. // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | May 06, 1930 00:00 | US-1757173-A // Combined cutter and pressure roller device // Dingman James E. ; Engelbert Robert F. // American Telephone & Telegraph | ||||
| PDF File 1538960.pdf | 419 kB | Shaun Ewing | May 26, 1925 00:00 |
|
US-1538960-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | May 26, 1925 00:00 | US-1538960-A // Alternating-current relay // Thompson Elmer O. // American Telephone & Telegraph | ||||
| PDF File 1370562.pdf | 419 kB | Shaun Ewing | Mar 08, 1921 00:00 |
|
US-1370562-A // Trunk-circuits // Shackleton Samuel P. // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Mar 08, 1921 00:00 | US-1370562-A // Trunk-circuits // Shackleton Samuel P. // American Telephone & Telegraph | ||||
| PDF File 1512930.pdf | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1582113.pdf | 418 kB | Shaun Ewing | Apr 27, 1926 00:00 |
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US-1582113-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Apr 27, 1926 00:00 | US-1582113-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1688292.pdf | 417 kB | Shaun Ewing | Oct 16, 1928 00:00 |
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US-1688292-A // System of modulating carrier currents // Weaver Allan // American Telephone & Telegraph | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Oct 16, 1928 00:00 | US-1688292-A // System of modulating carrier currents // Weaver Allan // 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 1563432.pdf | 416 kB | Shaun Ewing | Dec 01, 1925 00:00 |
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US-1563432-A // Composite ringer for transmission systems // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Dec 01, 1925 00:00 | US-1563432-A // Composite ringer for transmission systems // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1686585.pdf | 416 kB | Shaun Ewing | Oct 09, 1928 00:00 |
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US-1686585-A // Telegraph cipher system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Oct 09, 1928 00:00 | US-1686585-A // Telegraph cipher system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1501103.pdf | 416 kB | Shaun Ewing | Jul 15, 1924 00:00 |
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US-1501103-A // Conjugate signaling circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 416 kB | Shaun Ewing | Jul 15, 1924 00:00 | US-1501103-A // Conjugate signaling circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1640425.pdf | 415 kB | Shaun Ewing | Aug 30, 1927 00:00 |
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US-1640425-A // Measuring instrument // Percival Harry S. // American Telephone & Telegraph | |||
| Version 1 (current) | 415 kB | Shaun Ewing | Aug 30, 1927 00:00 | US-1640425-A // Measuring instrument // Percival Harry S. // American Telephone & Telegraph | ||||
| PDF File 1597789.pdf | 415 kB | Shaun Ewing | Aug 31, 1926 00:00 |
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US-1597789-A // Telegraph-distortion-measuring machine // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 415 kB | Shaun Ewing | Aug 31, 1926 00:00 | US-1597789-A // Telegraph-distortion-measuring machine // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1367571.pdf | 415 kB | Shaun Ewing | Feb 08, 1921 00:00 |
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US-1367571-A // Transmission-equalization arrangement // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 415 kB | Shaun Ewing | Feb 08, 1921 00:00 | US-1367571-A // Transmission-equalization arrangement // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1657462.pdf | 414 kB | Shaun Ewing | Jan 31, 1928 00:00 |
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US-1657462-A // Nonsinging reamplifying circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Jan 31, 1928 00:00 | US-1657462-A // Nonsinging reamplifying circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1544638.pdf | 414 kB | Shaun Ewing | Jul 07, 1925 00:00 |
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US-1544638-A // Telegraph signaling system // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Jul 07, 1925 00:00 | US-1544638-A // Telegraph signaling system // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1407046.pdf | 414 kB | Shaun Ewing | Feb 21, 1922 00:00 |
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US-1407046-A // Telephone apparatus // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Feb 21, 1922 00:00 | US-1407046-A // Telephone apparatus // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1461790.pdf | 414 kB | Shaun Ewing | Jul 17, 1923 00:00 |
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US-1461790-A // Maximum-voltage indicator // Sultzer Morton // American Telephone & Telegraph | |||
| Version 1 (current) | 414 kB | Shaun Ewing | Jul 17, 1923 00:00 | US-1461790-A // Maximum-voltage indicator // Sultzer Morton // American Telephone & Telegraph | ||||
| PDF File 1627111.pdf | 413 kB | Shaun Ewing | May 03, 1927 00:00 |
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US-1627111-A // Picture-transmitting system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 413 kB | Shaun Ewing | May 03, 1927 00:00 | US-1627111-A // Picture-transmitting system // Nyquist Harry // 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 1399226.pdf | 413 kB | Shaun Ewing | Dec 06, 1921 00:00 |
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US-1399226-A // Electrothermal relay // Rhodes William A. // American Telephone & Telegraph | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Dec 06, 1921 00:00 | US-1399226-A // Electrothermal relay // Rhodes William A. // American Telephone & Telegraph |
