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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1628883.pdf | 497 kB | Shaun Ewing | May 17, 1927 00:00 |
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US-1628883-A // Carrier amplitude-control system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 497 kB | Shaun Ewing | May 17, 1927 00:00 | US-1628883-A // Carrier amplitude-control system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1643350.pdf | 496 kB | Shaun Ewing | Sept 27, 1927 00:00 |
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US-1643350-A // Neutralization of inductive interference // Shetzline Roy A. // American Telephone & Telegraph | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Sept 27, 1927 00:00 | US-1643350-A // Neutralization of inductive interference // Shetzline Roy A. // American Telephone & Telegraph | ||||
| PDF File 1607683.pdf | 495 kB | Shaun Ewing | Nov 23, 1926 00:00 |
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US-1607683-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Nov 23, 1926 00:00 | US-1607683-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1746305.pdf | 495 kB | Shaun Ewing | Feb 11, 1930 00:00 |
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US-1746305-A // Radio signaling system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Feb 11, 1930 00:00 | US-1746305-A // Radio signaling system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1414397.pdf | 495 kB | Shaun Ewing | May 02, 1922 00:00 |
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US-1414397-A // Testing apparatus // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 495 kB | Shaun Ewing | May 02, 1922 00:00 | US-1414397-A // Testing apparatus // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1669448.pdf | 494 kB | Shaun Ewing | May 15, 1928 00:00 |
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US-1669448-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | |||
| Version 1 (current) | 494 kB | Shaun Ewing | May 15, 1928 00:00 | US-1669448-A // Multiplex signaling system // Brand Smart // American Telephone & Telegraph | ||||
| PDF File 1648922.pdf | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 |
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US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Nov 15, 1927 00:00 | US-1648922-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1735933.pdf | 492 kB | Shaun Ewing | Nov 19, 1929 00:00 |
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US-1735933-A // Method of testing telegraph transmission // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Nov 19, 1929 00:00 | US-1735933-A // Method of testing telegraph transmission // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1599453.pdf | 492 kB | Shaun Ewing | Sept 14, 1926 00:00 |
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US-1599453-A // Antenna structure // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Sept 14, 1926 00:00 | US-1599453-A // Antenna structure // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1745415.pdf | 492 kB | Shaun Ewing | Feb 04, 1930 00:00 |
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US-1745415-A // Carrier amplitude control system // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Feb 04, 1930 00:00 | US-1745415-A // Carrier amplitude control system // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1603319.pdf | 491 kB | Shaun Ewing | Oct 19, 1926 00:00 |
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US-1603319-A // Telephone repeater // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Oct 19, 1926 00:00 | US-1603319-A // Telephone repeater // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1607682.pdf | 491 kB | Shaun Ewing | Nov 23, 1926 00:00 |
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US-1607682-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Nov 23, 1926 00:00 | US-1607682-A // Radio repeater system // Martin De Loss K. // American Telephone & Telegraph | ||||
| PDF File 1436733.pdf | 491 kB | Shaun Ewing | Nov 28, 1922 00:00 |
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US-1436733-A // Carriage for conveying drums of electric cables // Smith Temple C. // American Telephone & Telegraph | |||
| Version 1 (current) | 491 kB | Shaun Ewing | Nov 28, 1922 00:00 | US-1436733-A // Carriage for conveying drums of electric cables // Smith Temple C. // American Telephone & Telegraph | ||||
| PDF File 1726622.pdf | 490 kB | Shaun Ewing | Sept 03, 1929 00:00 |
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US-1726622-A // Radioreceiver // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Sept 03, 1929 00:00 | US-1726622-A // Radioreceiver // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1474426.pdf | 490 kB | Shaun Ewing | Nov 20, 1923 00:00 |
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US-1474426-A // Secret-communication system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Nov 20, 1923 00:00 | US-1474426-A // Secret-communication system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1577719.pdf | 490 kB | Shaun Ewing | Mar 23, 1926 00:00 |
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US-1577719-A // Electrical protective device // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 490 kB | Shaun Ewing | Mar 23, 1926 00:00 | US-1577719-A // Electrical protective device // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1435348.pdf | 489 kB | Shaun Ewing | Nov 14, 1922 00:00 |
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US-1435348-A // Automatic ringing circuits // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Nov 14, 1922 00:00 | US-1435348-A // Automatic ringing circuits // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1572010.pdf | 489 kB | Shaun Ewing | Feb 09, 1926 00:00 |
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US-1572010-A // Detector circuit // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Feb 09, 1926 00:00 | US-1572010-A // Detector circuit // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1548878.pdf | 488 kB | Shaun Ewing | Aug 11, 1925 00:00 |
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US-1548878-A // Electrical signaling system // Gannett Danforth K. ; Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 488 kB | Shaun Ewing | Aug 11, 1925 00:00 | US-1548878-A // Electrical signaling system // Gannett Danforth K. ; Kirkwood Maclean // American Telephone & Telegraph | ||||
| PDF File 1513451.pdf | 488 kB | Shaun Ewing | Oct 28, 1924 00:00 |
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US-1513451-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 488 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1513451-A // Half-duplex morse carrier system // Espenschied Lloyd // American Telephone & Telegraph |
