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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1653089.pdf | 467 kB | Shaun Ewing | Dec 20, 1927 00:00 |
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US-1653089-A // Telegraph system // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Dec 20, 1927 00:00 | US-1653089-A // Telegraph system // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1674696.pdf | 467 kB | Shaun Ewing | Jun 26, 1928 00:00 |
|
US-1674696-A // Radio receiving system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Jun 26, 1928 00:00 | US-1674696-A // Radio receiving system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1397228.pdf | 467 kB | Shaun Ewing | Nov 15, 1921 00:00 |
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US-1397228-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Nov 15, 1921 00:00 | US-1397228-A // Electrical measuring apparatus // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1581326.pdf | 467 kB | Shaun Ewing | Apr 20, 1926 00:00 |
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US-1581326-A // Means for preventing bias in telegraph systems // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581326-A // Means for preventing bias in telegraph systems // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1431921.pdf | 466 kB | Shaun Ewing | Oct 17, 1922 00:00 |
|
US-1431921-A // Brake for rolling ladders // Barnes Harry F. // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Oct 17, 1922 00:00 | US-1431921-A // Brake for rolling ladders // Barnes Harry F. // American Telephone & Telegraph | ||||
| PDF File 1564266.pdf | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 |
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US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Dec 08, 1925 00:00 | US-1564266-A // Electrical transformer // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1589405.pdf | 466 kB | Shaun Ewing | Jun 22, 1926 00:00 |
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US-1589405-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Jun 22, 1926 00:00 | US-1589405-A // Ringing arrangement for carrier circuits // Loynes Owen H. ; Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1434555.pdf | 466 kB | Shaun Ewing | Nov 07, 1922 00:00 |
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US-1434555-A // Wave filter // Martin William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Nov 07, 1922 00:00 | US-1434555-A // Wave filter // Martin William H. // American Telephone & Telegraph | ||||
| PDF File 1678665.pdf | 465 kB | Shaun Ewing | Jul 31, 1928 00:00 |
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US-1678665-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jul 31, 1928 00:00 | US-1678665-A // High-frequency measuring system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1548088.pdf | 464 kB | Shaun Ewing | Aug 04, 1925 00:00 |
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US-1548088-A // Telegraph circuits // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Aug 04, 1925 00:00 | US-1548088-A // Telegraph circuits // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1658094.pdf | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 |
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US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Feb 07, 1928 00:00 | US-1658094-A // Paper-conveying system // Paschen Harold F. ; Potter Edward F. De // American Telephone & Telegraph | ||||
| PDF File 1565522.pdf | 463 kB | Shaun Ewing | Dec 15, 1925 00:00 |
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US-1565522-A // Carrier-current multiplex signaling system // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 15, 1925 00:00 | US-1565522-A // Carrier-current multiplex signaling system // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1752347.pdf | 462 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752347-A // Reduction of atmospheric disturbance // Leibe Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752347-A // Reduction of atmospheric disturbance // Leibe Frank A. // American Telephone & Telegraph | ||||
| PDF File 1412908.pdf | 461 kB | Shaun Ewing | Apr 18, 1922 00:00 |
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US-1412908-A // Synchronizing system // Dyile Marl B. Van // American Telephone And Telecra | |||
| Version 1 (current) | 461 kB | Shaun Ewing | Apr 18, 1922 00:00 | US-1412908-A // Synchronizing system // Dyile Marl B. Van // American Telephone And Telecra | ||||
| PDF File 1374219.pdf | 460 kB | Shaun Ewing | Apr 12, 1921 00:00 |
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US-1374219-A // Composite transmission system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Apr 12, 1921 00:00 | US-1374219-A // Composite transmission system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1680376.pdf | 460 kB | Shaun Ewing | Aug 14, 1928 00:00 |
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US-1680376-A // Telegraph circuits // Herman Joseph ; Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Aug 14, 1928 00:00 | US-1680376-A // Telegraph circuits // Herman Joseph ; Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 1566311.pdf | 460 kB | Shaun Ewing | Dec 22, 1925 00:00 |
|
US-1566311-A // Telephone-repeater circuits // Clark Alva B. ; Hoyt Ray S. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Dec 22, 1925 00:00 | US-1566311-A // Telephone-repeater circuits // Clark Alva B. ; Hoyt Ray S. // American Telephone & Telegraph | ||||
| PDF File 1749044.pdf | 460 kB | Shaun Ewing | Mar 04, 1930 00:00 |
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US-1749044-A // Meter // Niles Eliot W. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Mar 04, 1930 00:00 | US-1749044-A // Meter // Niles Eliot W. // American Telephone & Telegraph | ||||
| PDF File 1633615.pdf | 459 kB | Shaun Ewing | Jun 28, 1927 00:00 |
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US-1633615-A // Delay circuits for voice-operated devices // Silent Harold C. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Jun 28, 1927 00:00 | US-1633615-A // Delay circuits for voice-operated devices // Silent Harold C. // American Telephone & Telegraph | ||||
| PDF File 1473682.pdf | 459 kB | Shaun Ewing | Nov 13, 1923 00:00 |
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US-1473682-A // Repeater apparatus for carrier systems // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 459 kB | Shaun Ewing | Nov 13, 1923 00:00 | US-1473682-A // Repeater apparatus for carrier systems // Osborne Harold S. // American Telephone & Telegraph |
