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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1687489.pdf | 181 kB | Shaun Ewing | Oct 16, 1928 00:00 |
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US-1687489-A // Apparatus and method for electrical transmission of pictures // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 181 kB | Shaun Ewing | Oct 16, 1928 00:00 | US-1687489-A // Apparatus and method for electrical transmission of pictures // Branson David E. // 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 1686570.pdf | 302 kB | Shaun Ewing | Oct 09, 1928 00:00 |
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US-1686570-A // Equipotential cathode vacuum tube // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Oct 09, 1928 00:00 | US-1686570-A // Equipotential cathode vacuum tube // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 1686552.pdf | 611 kB | Shaun Ewing | Oct 09, 1928 00:00 |
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US-1686552-A // Stabilization of circuit output // Fairchild Frank E. // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Oct 09, 1928 00:00 | US-1686552-A // Stabilization of circuit output // Fairchild Frank E. // American Telephone & Telegraph | ||||
| PDF File 1685913.pdf | 1.21 MB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1685913-A // Recording and reproducing of sound waves // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Oct 02, 1928 00:00 | US-1685913-A // Recording and reproducing of sound waves // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1685847.pdf | 359 kB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1685847-A // Test clip // Huntington Herbert // American Telephone & Telegraph | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Oct 02, 1928 00:00 | US-1685847-A // Test clip // Huntington Herbert // American Telephone & Telegraph | ||||
| PDF File 1685835.pdf | 671 kB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1685835-A // Program-selecting arrangement // Bascom Henry M. ; Arnold Oscar M. ; Pentland Robert L. // American Telephone & Telegraph | |||
| Version 1 (current) | 671 kB | Shaun Ewing | Oct 02, 1928 00:00 | US-1685835-A // Program-selecting arrangement // Bascom Henry M. ; Arnold Oscar M. ; Pentland Robert L. // American Telephone & Telegraph | ||||
| PDF File 1685801.pdf | 220 kB | Shaun Ewing | Oct 02, 1928 00:00 |
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US-1685801-A // Current-controlling device // Ballard William R. // American Telephone & Telegraph | |||
| Version 1 (current) | 220 kB | Shaun Ewing | Oct 02, 1928 00:00 | US-1685801-A // Current-controlling device // Ballard William R. // American Telephone & Telegraph | ||||
| PDF File 1685161.pdf | 331 kB | Shaun Ewing | Sept 25, 1928 00:00 |
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US-1685161-A // Multiwinding discharge balance coil // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Sept 25, 1928 00:00 | US-1685161-A // Multiwinding discharge balance coil // Honaman Richard K. // American Telephone & Telegraph | ||||
| PDF File 1685154.pdf | 200 kB | Shaun Ewing | Sept 25, 1928 00:00 |
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US-1685154-A // Lock // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 200 kB | Shaun Ewing | Sept 25, 1928 00:00 | US-1685154-A // Lock // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1685145.pdf | 305 kB | Shaun Ewing | Sept 25, 1928 00:00 |
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US-1685145-A // Hook // Bartenbach Herman ; Freeman Albert E. // American Telephone & Telegraph | |||
| Version 1 (current) | 305 kB | Shaun Ewing | Sept 25, 1928 00:00 | US-1685145-A // Hook // Bartenbach Herman ; Freeman Albert E. // American Telephone & Telegraph | ||||
| PDF File 1684455.pdf | 928 kB | Shaun Ewing | Sept 18, 1928 00:00 |
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US-1684455-A // Multiplex carrier-current signaling // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 928 kB | Shaun Ewing | Sept 18, 1928 00:00 | US-1684455-A // Multiplex carrier-current signaling // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1684445.pdf | 661 kB | Shaun Ewing | Sept 18, 1928 00:00 |
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US-1684445-A // Signaling system // Honaman Richard K. // American Telephone & Telegraph | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Sept 18, 1928 00:00 | US-1684445-A // Signaling system // Honaman Richard K. // American Telephone & Telegraph | ||||
| PDF File 1683739.pdf | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683739-A // Directive antenna array // Stone John Stone // American Telephone & Telegraph | ||||
| PDF File 1683725.pdf | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 571 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683725-A // Phase-regulating system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1683716.pdf | 623 kB | Shaun Ewing | Sept 11, 1928 00:00 |
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US-1683716-A // Antenna for radiotelegraphy // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Sept 11, 1928 00:00 | US-1683716-A // Antenna for radiotelegraphy // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1681972.pdf | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 |
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US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Aug 28, 1928 00:00 | US-1681972-A // Carrier amplitude-control system // Blackwell Otto B. ; Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1681252.pdf | 374 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681252-A // Distortion correction for transmission lines // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 374 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681252-A // Distortion correction for transmission lines // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1681246.pdf | 243 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681246-A // Telephone system with auxiliary signaling circuit // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 243 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681246-A // Telephone system with auxiliary signaling circuit // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1681221.pdf | 475 kB | Shaun Ewing | Aug 21, 1928 00:00 |
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US-1681221-A // Telephone-exchange system // Coggins Paul P. // American Telephone & Telegraph | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Aug 21, 1928 00:00 | US-1681221-A // Telephone-exchange system // Coggins Paul P. // American Telephone & Telegraph |
