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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1714683.pdf | 419 kB | Shaun Ewing | May 28, 1929 00:00 |
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US-1714683-A // Electrical insulation // Lowry Homer H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 419 kB | Shaun Ewing | May 28, 1929 00:00 | US-1714683-A // Electrical insulation // Lowry Homer H. // Bell Telephone Labor Inc | ||||
| PDF File 1715542.pdf | 417 kB | Shaun Ewing | Jun 04, 1929 00:00 |
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US-1715542-A // Electrical coils and system employing such coils // Elmen Gustaf W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 417 kB | Shaun Ewing | Jun 04, 1929 00:00 | US-1715542-A // Electrical coils and system employing such coils // Elmen Gustaf W. // Bell Telephone Labor Inc | ||||
| PDF File 1715543.pdf | 264 kB | Shaun Ewing | Jun 04, 1929 00:00 |
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US-1715543-A // Magnetic core // Elmen Gustaf W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 264 kB | Shaun Ewing | Jun 04, 1929 00:00 | US-1715543-A // Magnetic core // Elmen Gustaf W. // Bell Telephone Labor Inc | ||||
| PDF File 1715645.pdf | 389 kB | Shaun Ewing | Jun 04, 1929 00:00 |
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US-1715645-A // Electrical signaling // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 389 kB | Shaun Ewing | Jun 04, 1929 00:00 | US-1715645-A // Electrical signaling // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 1715648.pdf | 348 kB | Shaun Ewing | Jun 04, 1929 00:00 |
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US-1715648-A // Magnetic material // Elmen Gustaf W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Jun 04, 1929 00:00 | US-1715648-A // Magnetic material // Elmen Gustaf W. // Bell Telephone Labor Inc | ||||
| PDF File 1715713.pdf | 241 kB | Shaun Ewing | Jun 04, 1929 00:00 |
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US-1715713-A // Treatment of magnetic materials // Legg Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 241 kB | Shaun Ewing | Jun 04, 1929 00:00 | US-1715713-A // Treatment of magnetic materials // Legg Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 1717011.pdf | 381 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717011-A // Reactance device // Coutouly Gustave Charles De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 381 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717011-A // Reactance device // Coutouly Gustave Charles De // Bell Telephone Labor Inc | ||||
| PDF File 1717055.pdf | 281 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717055-A // Public-address system // Melhuish Lawrence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 281 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717055-A // Public-address system // Melhuish Lawrence E. // Bell Telephone Labor Inc | ||||
| PDF File 1717062.pdf | 651 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717062-A // Electric signaling // Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 651 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717062-A // Electric signaling // Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 1717074.pdf | 683 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717074-A // Telephone-exchange maintenance system // Taplin Carleton V. ; Allen Louis M. ; Bertels Arnold S. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 683 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717074-A // Telephone-exchange maintenance system // Taplin Carleton V. ; Allen Louis M. ; Bertels Arnold S. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 1717079.pdf | 307 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717079-A // Coin-collection apparatus // Wheeler Clyde H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717079-A // Coin-collection apparatus // Wheeler Clyde H. // Bell Telephone Labor Inc | ||||
| PDF File 1717083.pdf | 1006 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717083-A // Carrier signal system // Arnold Henry B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1006 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717083-A // Carrier signal system // Arnold Henry B. // Bell Telephone Labor Inc | ||||
| PDF File 1717095.pdf | 242 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717095-A // Potential-limiting device // Clokey Allison A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 242 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717095-A // Potential-limiting device // Clokey Allison A. // Bell Telephone Labor Inc | ||||
| PDF File 1717143.pdf | 769 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717143-A // Telephone system // Cahill Harold D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 769 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717143-A // Telephone system // Cahill Harold D. // Bell Telephone Labor Inc | ||||
| PDF File 1717146.pdf | 304 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717146-A // Sound reproducer // Crouch James L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 304 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717146-A // Sound reproducer // Crouch James L. // Bell Telephone Labor Inc | ||||
| PDF File 1717158.pdf | 158 kB | Shaun Ewing | Jun 11, 1929 00:00 |
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US-1717158-A // Sound reproducer // Jones Warren C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 158 kB | Shaun Ewing | Jun 11, 1929 00:00 | US-1717158-A // Sound reproducer // Jones Warren C. // Bell Telephone Labor Inc | ||||
| PDF File 1717781.pdf | 618 kB | Shaun Ewing | Jun 18, 1929 00:00 |
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US-1717781-A // Picture-transmission system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Jun 18, 1929 00:00 | US-1717781-A // Picture-transmission system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1717782.pdf | 352 kB | Shaun Ewing | Jun 18, 1929 00:00 |
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US-1717782-A // Electrooptical transmission // Ives Herbert E. ; Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jun 18, 1929 00:00 | US-1717782-A // Electrooptical transmission // Ives Herbert E. ; Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1719091.pdf | 1000 kB | Shaun Ewing | Jul 02, 1929 00:00 |
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US-1719091-A // Telephone-exchange system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719091-A // Telephone-exchange system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 1719472.pdf | 117 kB | Shaun Ewing | Jul 02, 1929 00:00 |
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US-1719472-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 117 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719472-A // Acoustic diaphragm // Holland Newman H. // Bell Telephone Labor Inc |
