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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2116559.pdf | 652 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116559-A // Modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 652 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116559-A // Modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 2116562.pdf | 230 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116562-A // Soldering iron // Cruser Victor I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 230 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116562-A // Soldering iron // Cruser Victor I. // Bell Telephone Labor Inc | ||||
| PDF File 2116580.pdf | 359 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116580-A // Coin collector electromagnet // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116580-A // Coin collector electromagnet // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 2116586.pdf | 705 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116586-A // Strip feeding mechanism // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 705 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116586-A // Strip feeding mechanism // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2116600.pdf | 685 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116600-A // Electrical transmission control // Fisher Joseph R. ; Mallinckrodt Charles O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 685 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116600-A // Electrical transmission control // Fisher Joseph R. ; Mallinckrodt Charles O. // Bell Telephone Labor Inc | ||||
| PDF File 2116996.pdf | 553 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2116996-A // Variable tuned circuits // Crawford Arthur B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 553 kB | Shaun Ewing | May 10, 1938 00:00 | US-2116996-A // Variable tuned circuits // Crawford Arthur B. // Bell Telephone Labor Inc | ||||
| PDF File 2117001.pdf | 674 kB | Shaun Ewing | May 10, 1938 00:00 |
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US-2117001-A // Electron discharge device // Hale Douglas A. S. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 674 kB | Shaun Ewing | May 10, 1938 00:00 | US-2117001-A // Electron discharge device // Hale Douglas A. S. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2117692.pdf | 220 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117692-A // Battery box // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 220 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117692-A // Battery box // Atkins George E. // Bell Telephone Labor Inc | ||||
| PDF File 2117698.pdf | 672 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117698-A // Transmission system // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 672 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117698-A // Transmission system // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 2117702.pdf | 426 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117702-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 426 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117702-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | ||||
| PDF File 2117705.pdf | 772 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117705-A // Teletypewriter system // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117705-A // Teletypewriter system // Cramer Walter W. ; Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2117708.pdf | 1.19 MB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117708-A // Circuit for controlling signal transmission in two-way signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | May 17, 1938 00:00 | US-2117708-A // Circuit for controlling signal transmission in two-way signaling systems // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 2117709.pdf | 488 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117709-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 488 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117709-A // Electron discharge device // Davisson Clinton J. // Bell Telephone Labor Inc | ||||
| PDF File 2117723.pdf | 656 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117723-A // Telegraph repeater // Hysko John L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 656 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117723-A // Telegraph repeater // Hysko John L. // Bell Telephone Labor Inc | ||||
| PDF File 2117739.pdf | 497 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117739-A // Signaling system // Miller Ralph L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117739-A // Signaling system // Miller Ralph L. // Bell Telephone Labor Inc | ||||
| PDF File 2117752.pdf | 606 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117752-A // Harmonic producer // Wrathall Lelshman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 606 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117752-A // Harmonic producer // Wrathall Lelshman R. // Bell Telephone Labor Inc | ||||
| PDF File 2117835.pdf | 527 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117835-A // Telephone signaling system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 527 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117835-A // Telephone signaling system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2117843.pdf | 347 kB | Shaun Ewing | May 17, 1938 00:00 |
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US-2117843-A // Frequency selective circuits // Green Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 347 kB | Shaun Ewing | May 17, 1938 00:00 | US-2117843-A // Frequency selective circuits // Green Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2118156.pdf | 1.54 MB | Shaun Ewing | May 24, 1938 00:00 |
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US-2118156-A // Impulse operated system employing glow discharge tubes // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.54 MB | Shaun Ewing | May 24, 1938 00:00 | US-2118156-A // Impulse operated system employing glow discharge tubes // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2118161.pdf | 1.37 MB | Shaun Ewing | May 24, 1938 00:00 |
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US-2118161-A // Receiving system for frequency modulated waves // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | May 24, 1938 00:00 | US-2118161-A // Receiving system for frequency modulated waves // Chaffee Joseph G. // Bell Telephone Labor Inc |
