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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2188154.pdf | 498 kB | Shaun Ewing | Jan 23, 1940 00:00 |
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US-2188154-A // Piezoelectric substance and process for producing it // Morgan Stanley O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Jan 23, 1940 00:00 | US-2188154-A // Piezoelectric substance and process for producing it // Morgan Stanley O. // 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 1918977.pdf | 497 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1918977-A // Synchronous motor // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1918977-A // Synchronous motor // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2188659.pdf | 497 kB | Shaun Ewing | Jan 30, 1940 00:00 |
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US-2188659-A // Selector switch brush // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Jan 30, 1940 00:00 | US-2188659-A // Selector switch brush // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2002204.pdf | 497 kB | Shaun Ewing | May 21, 1935 00:00 |
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US-2002204-A // Process of treating gutta percha // Ingmanson John H. ; Mueller George S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 497 kB | Shaun Ewing | May 21, 1935 00:00 | US-2002204-A // Process of treating gutta percha // Ingmanson John H. ; Mueller George S. // Bell Telephone Labor Inc | ||||
| PDF File 2182968.pdf | 496 kB | Shaun Ewing | Dec 12, 1939 00:00 |
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US-2182968-A // Method of making electrical connections // Lunsford Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Dec 12, 1939 00:00 | US-2182968-A // Method of making electrical connections // Lunsford Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2188164.pdf | 496 kB | Shaun Ewing | Jan 23, 1940 00:00 |
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US-2188164-A // Ground potential compensator // Sutiff Carleton B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Jan 23, 1940 00:00 | US-2188164-A // Ground potential compensator // Sutiff Carleton B. // Bell Telephone Labor Inc | ||||
| PDF File 2023592.pdf | 496 kB | Shaun Ewing | Dec 10, 1935 00:00 |
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US-2023592-A // Coin chute // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Dec 10, 1935 00:00 | US-2023592-A // Coin chute // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2094044.pdf | 496 kB | Shaun Ewing | Sept 28, 1937 00:00 |
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US-2094044-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Sept 28, 1937 00:00 | US-2094044-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2092509.pdf | 495 kB | Shaun Ewing | Sept 07, 1937 00:00 |
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US-2092509-A // Telephone booth // Hampton Leon N. ; Smith Albert K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Sept 07, 1937 00:00 | US-2092509-A // Telephone booth // Hampton Leon N. ; Smith Albert K. // Bell Telephone Labor Inc | ||||
| PDF File 2114016.pdf | 495 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114016-A // Electrical counting system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114016-A // Electrical counting system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 1940095.pdf | 495 kB | Shaun Ewing | Dec 19, 1933 00:00 |
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US-1940095-A // Coin collector // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Dec 19, 1933 00:00 | US-1940095-A // Coin collector // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 2031951.pdf | 495 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031951-A // Burglar alarm system // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031951-A // Burglar alarm system // Hartley Ralph V. L. // Bell Telephone Labor Inc | ||||
| PDF File 2037183.pdf | 495 kB | Shaun Ewing | Apr 14, 1936 00:00 |
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US-2037183-A // Carrier line power supply // Strieby Maurice E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Apr 14, 1936 00:00 | US-2037183-A // Carrier line power supply // Strieby Maurice E. // Bell Telephone Labor Inc | ||||
| PDF File 2046705.pdf | 495 kB | Shaun Ewing | Jul 07, 1936 00:00 |
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US-2046705-A // Electromagnetic device // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046705-A // Electromagnetic device // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2196049.pdf | 494 kB | Shaun Ewing | Apr 02, 1940 00:00 |
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US-2196049-A // Latch apparatus // Andres Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 494 kB | Shaun Ewing | Apr 02, 1940 00:00 | US-2196049-A // Latch apparatus // Andres Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 1909367.pdf | 493 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909367-A // Heat treating loaded conductors // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909367-A // Heat treating loaded conductors // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1999351.pdf | 493 kB | Shaun Ewing | Apr 30, 1935 00:00 |
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US-1999351-A // Electron discharge device // Baker Carl I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Apr 30, 1935 00:00 | US-1999351-A // Electron discharge device // Baker Carl I. // Bell Telephone Labor Inc | ||||
| PDF File 2052298.pdf | 493 kB | Shaun Ewing | Aug 25, 1936 00:00 |
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US-2052298-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 493 kB | Shaun Ewing | Aug 25, 1936 00:00 | US-2052298-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2187115.pdf | 492 kB | Shaun Ewing | Jan 16, 1940 00:00 |
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US-2187115-A // Switching device // Ellwood Walter B. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 492 kB | Shaun Ewing | Jan 16, 1940 00:00 | US-2187115-A // Switching device // Ellwood Walter B. ; Holden William H. T. // Bell Telephone Labor Inc |