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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1728226.pdf | 254 kB | Shaun Ewing | Sept 17, 1929 00:00 |
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US-1728226-A // Telegraph repeater // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Sept 17, 1929 00:00 | US-1728226-A // Telegraph repeater // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1728239.pdf | 517 kB | Shaun Ewing | Sept 17, 1929 00:00 |
|
US-1728239-A // Arrangement for establishing time intervals // Green Irving W. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Sept 17, 1929 00:00 | US-1728239-A // Arrangement for establishing time intervals // Green Irving W. // American Telephone & Telegraph | ||||
| PDF File 1728247.pdf | 561 kB | Shaun Ewing | Sept 17, 1929 00:00 |
|
US-1728247-A // Echo suppressor // Mitchell Doren // American Telephone & Telegraph | |||
| Version 1 (current) | 561 kB | Shaun Ewing | Sept 17, 1929 00:00 | US-1728247-A // Echo suppressor // Mitchell Doren // American Telephone & Telegraph | ||||
| PDF File 1728975.pdf | 579 kB | Shaun Ewing | Sept 24, 1929 00:00 |
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US-1728975-A // Premature-disconnect signal for telephone circuits // Morris Robert W. ; Nelson Stanley F. // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Sept 24, 1929 00:00 | US-1728975-A // Premature-disconnect signal for telephone circuits // Morris Robert W. ; Nelson Stanley F. // American Telephone & Telegraph | ||||
| PDF File 1728978.pdf | 592 kB | Shaun Ewing | Sept 24, 1929 00:00 |
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US-1728978-A // Telegraphic transmission of pictures // Parker Ralzemond D. // American Telephone & Telegraph | |||
| Version 1 (current) | 592 kB | Shaun Ewing | Sept 24, 1929 00:00 | US-1728978-A // Telegraphic transmission of pictures // Parker Ralzemond D. // American Telephone & Telegraph | ||||
| PDF File 1728986.pdf | 270 kB | Shaun Ewing | Sept 24, 1929 00:00 |
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US-1728986-A // Picture-transmission system // Stokes Howard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 270 kB | Shaun Ewing | Sept 24, 1929 00:00 | US-1728986-A // Picture-transmission system // Stokes Howard G. // American Telephone & Telegraph | ||||
| PDF File 1729644.pdf | 730 kB | Shaun Ewing | Oct 01, 1929 00:00 |
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US-1729644-A // Electrical testing system // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Oct 01, 1929 00:00 | US-1729644-A // Electrical testing system // Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 1729645.pdf | 1.03 MB | Shaun Ewing | Oct 01, 1929 00:00 |
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US-1729645-A // Signaling system // Mertz Pierre // American Telephone & Telegraph | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Oct 01, 1929 00:00 | US-1729645-A // Signaling system // Mertz Pierre // American Telephone & Telegraph | ||||
| PDF File 1729649.pdf | 405 kB | Shaun Ewing | Oct 01, 1929 00:00 |
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US-1729649-A // Program transmission over wires // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Oct 01, 1929 00:00 | US-1729649-A // Program transmission over wires // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1730368.pdf | 258 kB | Shaun Ewing | Oct 08, 1929 00:00 |
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US-1730368-A // Method of and means for measuring differences in time of propagation of wave fronts of different frequencies over a circuit // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 258 kB | Shaun Ewing | Oct 08, 1929 00:00 | US-1730368-A // Method of and means for measuring differences in time of propagation of wave fronts of different frequencies over a circuit // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1730402.pdf | 399 kB | Shaun Ewing | Oct 08, 1929 00:00 |
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US-1730402-A // Testing apparatus for electrical circuits // Abbott Henry H. ; Kuhn George W. // American Telephone & Telegraph | |||
| Version 1 (current) | 399 kB | Shaun Ewing | Oct 08, 1929 00:00 | US-1730402-A // Testing apparatus for electrical circuits // Abbott Henry H. ; Kuhn George W. // American Telephone & Telegraph | ||||
| PDF File 1731243.pdf | 503 kB | Shaun Ewing | Oct 15, 1929 00:00 |
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US-1731243-A // Signaling system // Ehrlich Jefferson // American Telephone & Telegraph | |||
| Version 1 (current) | 503 kB | Shaun Ewing | Oct 15, 1929 00:00 | US-1731243-A // Signaling system // Ehrlich Jefferson // American Telephone & Telegraph | ||||
| PDF File 1731264.pdf | 246 kB | Shaun Ewing | Oct 15, 1929 00:00 |
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US-1731264-A // Apparatus for controlling the output of alternating-current generators // Potter Ralph K. // American Telephone & Telegraph | |||
| Version 1 (current) | 246 kB | Shaun Ewing | Oct 15, 1929 00:00 | US-1731264-A // Apparatus for controlling the output of alternating-current generators // Potter Ralph K. // American Telephone & Telegraph | ||||
| PDF File 1732255.pdf | 363 kB | Shaun Ewing | Oct 22, 1929 00:00 |
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US-1732255-A // Telegraph-monitoring system // Branson David E. // American Telephone & Telegraph | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Oct 22, 1929 00:00 | US-1732255-A // Telegraph-monitoring system // Branson David E. // American Telephone & Telegraph | ||||
| PDF File 1732286.pdf | 257 kB | Shaun Ewing | Oct 22, 1929 00:00 |
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US-1732286-A // Telegraph system // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 257 kB | Shaun Ewing | Oct 22, 1929 00:00 | US-1732286-A // Telegraph system // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1732311.pdf | 600 kB | Shaun Ewing | Oct 22, 1929 00:00 |
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US-1732311-A // Method and apparatus for testing networks // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Oct 22, 1929 00:00 | US-1732311-A // Method and apparatus for testing networks // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1732312.pdf | 937 kB | Shaun Ewing | Oct 22, 1929 00:00 |
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US-1732312-A // Electrical delay network // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | |||
| Version 1 (current) | 937 kB | Shaun Ewing | Oct 22, 1929 00:00 | US-1732312-A // Electrical delay network // Nyquist Harry ; Pfleger Kenneth W. // American Telephone & Telegraph | ||||
| PDF File 1733121.pdf | 308 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733121-A // Telephone or other booth // Giddis George F. // American Telephone & Telegraph | |||
| Version 1 (current) | 308 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733121-A // Telephone or other booth // Giddis George F. // American Telephone & Telegraph | ||||
| PDF File 1733127.pdf | 790 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733127-A // Signaling circuits // Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733127-A // Signaling circuits // Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 1733130.pdf | 279 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733130-A // Telephone signaling circuits // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 279 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733130-A // Telephone signaling circuits // Niles Eliot W. ; Edwards William H. // American Telephone & Telegraph |
