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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1853929.pdf | 383 kB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853929-A // Electric wave filter // Rettenmeyer Francis X. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853929-A // Electric wave filter // Rettenmeyer Francis X. // Bell Telephone Labor Inc | ||||
| PDF File 1853955.pdf | 621 kB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853955-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 621 kB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853955-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 1853969.pdf | 866 kB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853969-A // Circuits for coupling lines of different impedances // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 866 kB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853969-A // Circuits for coupling lines of different impedances // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 1853974.pdf | 1.15 MB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853974-A // Transmission system // Hogg John L. ; Doba Stephen // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.15 MB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853974-A // Transmission system // Hogg John L. ; Doba Stephen // Bell Telephone Labor Inc | ||||
| PDF File 1854802.pdf | 500 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854802-A // Telephone receiver // Meyer Arthur // Bell Telephone Labor Inc | |||
| Version 1 (current) | 500 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854802-A // Telephone receiver // Meyer Arthur // Bell Telephone Labor Inc | ||||
| PDF File 1854812.pdf | 476 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854812-A // Telephone receiver // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 476 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854812-A // Telephone receiver // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1854824.pdf | 350 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854824-A // Toroidal coil // Burgess Harry A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854824-A // Toroidal coil // Burgess Harry A. // Bell Telephone Labor Inc | ||||
| PDF File 1854828.pdf | 1.02 MB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854828-A // Transmission system // Doba Stephen // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854828-A // Transmission system // Doba Stephen // Bell Telephone Labor Inc | ||||
| PDF File 1854830.pdf | 609 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854830-A // Acoustic device // Flanders Paul B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854830-A // Acoustic device // Flanders Paul B. // Bell Telephone Labor Inc | ||||
| PDF File 1854832.pdf | 442 kB | Shaun Ewing | Apr 19, 1932 00:00 |
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US-1854832-A // Support // Gastonguay Antonio ; Puller George // Bell Telephone Labor Inc | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Apr 19, 1932 00:00 | US-1854832-A // Support // Gastonguay Antonio ; Puller George // Bell Telephone Labor Inc | ||||
| PDF File 1855571.pdf | 335 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855571-A // Continuously loaded conductor // Fondiller William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855571-A // Continuously loaded conductor // Fondiller William // Bell Telephone Labor Inc | ||||
| PDF File 1855576.pdf | 692 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855576-A // Frequency translating system // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 692 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855576-A // Frequency translating system // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 1855578.pdf | 467 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855578-A // Heat treatment of signaling conductors // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855578-A // Heat treatment of signaling conductors // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1855593.pdf | 1.81 MB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855593-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.81 MB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855593-A // Telephone system // Whitney Wiley // Bell Telephone Labor Inc | ||||
| PDF File 1855598.pdf | 3.33 MB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855598-A // Telephone exchange system // Carpenter Warren W. ; Collis Raymond E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.33 MB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855598-A // Telephone exchange system // Carpenter Warren W. ; Collis Raymond E. // Bell Telephone Labor Inc | ||||
| PDF File 1855600.pdf | 512 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855600-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855600-A // Sound translating device // Clarke Harry R. // Bell Telephone Labor Inc | ||||
| PDF File 1855601.pdf | 544 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855601-A // Impulse and wave transmission system // Gorton William S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 544 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855601-A // Impulse and wave transmission system // Gorton William S. // Bell Telephone Labor Inc | ||||
| PDF File 1855602.pdf | 218 kB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855602-A // Crimping tool // Kerner Sebastian // Bell Telephone Labor Inc | |||
| Version 1 (current) | 218 kB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855602-A // Crimping tool // Kerner Sebastian // Bell Telephone Labor Inc | ||||
| PDF File 1855616.pdf | 4.08 MB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855616-A // Telephone system // Stevens William E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.08 MB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855616-A // Telephone system // Stevens William E. // Bell Telephone Labor Inc | ||||
| PDF File 1856373.pdf | 793 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856373-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856373-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc |
