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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1768262.pdf | 351 kB | Shaun Ewing | Jun 24, 1930 00:00 |
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US-1768262-A // Phase measuring system and method // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 351 kB | Shaun Ewing | Jun 24, 1930 00:00 | US-1768262-A // Phase measuring system and method // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1673828.pdf | 350 kB | Shaun Ewing | Jun 19, 1928 00:00 |
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US-1673828-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Jun 19, 1928 00:00 | US-1673828-A // Television // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1725022.pdf | 348 kB | Shaun Ewing | Aug 20, 1929 00:00 |
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US-1725022-A // Alarm // Stacy Leland J. ; Krom Myron E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Aug 20, 1929 00:00 | US-1725022-A // Alarm // Stacy Leland J. ; Krom Myron E. // 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 1738299.pdf | 348 kB | Shaun Ewing | Dec 03, 1929 00:00 |
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US-1738299-A // Intermittently-operated signaling device // Kille Lindley A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Dec 03, 1929 00:00 | US-1738299-A // Intermittently-operated signaling device // Kille Lindley A. // Bell Telephone Labor Inc | ||||
| PDF File 1668656.pdf | 346 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668656-A // Relay circuit // Phelps Walter Alfred // Bell Telephones Lab Inc | |||
| Version 1 (current) | 346 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668656-A // Relay circuit // Phelps Walter Alfred // Bell Telephones Lab Inc | ||||
| PDF File 1707545.pdf | 345 kB | Shaun Ewing | Apr 02, 1929 00:00 |
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US-1707545-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 345 kB | Shaun Ewing | Apr 02, 1929 00:00 | US-1707545-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1729806.pdf | 343 kB | Shaun Ewing | Oct 01, 1929 00:00 |
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US-1729806-A // Electrodynamic device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Oct 01, 1929 00:00 | US-1729806-A // Electrodynamic device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 1711684.pdf | 343 kB | Shaun Ewing | May 07, 1929 00:00 |
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US-1711684-A // Method of making half tones // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | May 07, 1929 00:00 | US-1711684-A // Method of making half tones // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1752486.pdf | 343 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752486-A // Magnetic device // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752486-A // Magnetic device // Hartley Ralph V. L. // Bell Telephone Labor Inc | ||||
| PDF File 1722039.pdf | 342 kB | Shaun Ewing | Jul 23, 1929 00:00 |
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US-1722039-A // Signal-operated repeater circuits // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 342 kB | Shaun Ewing | Jul 23, 1929 00:00 | US-1722039-A // Signal-operated repeater circuits // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 1752438.pdf | 338 kB | Shaun Ewing | Apr 01, 1930 00:00 |
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US-1752438-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Apr 01, 1930 00:00 | US-1752438-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 1719474.pdf | 337 kB | Shaun Ewing | Jul 02, 1929 00:00 |
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US-1719474-A // Current-controlling device // Jutson Robert P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 337 kB | Shaun Ewing | Jul 02, 1929 00:00 | US-1719474-A // Current-controlling device // Jutson Robert P. // Bell Telephone Labor Inc | ||||
| PDF File 1668654.pdf | 337 kB | Shaun Ewing | May 08, 1928 00:00 |
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US-1668654-A // Direct-current-transforming apparatus // Moore Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 337 kB | Shaun Ewing | May 08, 1928 00:00 | US-1668654-A // Direct-current-transforming apparatus // Moore Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 1658843.pdf | 335 kB | Shaun Ewing | Feb 14, 1928 00:00 |
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US-1658843-A // Modulating system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Feb 14, 1928 00:00 | US-1658843-A // Modulating system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 1728311.pdf | 333 kB | Shaun Ewing | Sept 17, 1929 00:00 |
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US-1728311-A // Electrical converting and measuring system // Taylor Alfred T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 333 kB | Shaun Ewing | Sept 17, 1929 00:00 | US-1728311-A // Electrical converting and measuring system // Taylor Alfred T. // Bell Telephone Labor Inc | ||||
| PDF File 1733554.pdf | 331 kB | Shaun Ewing | Oct 29, 1929 00:00 |
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US-1733554-A // Magnetic device // Norton Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 331 kB | Shaun Ewing | Oct 29, 1929 00:00 | US-1733554-A // Magnetic device // Norton Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 1722347.pdf | 330 kB | Shaun Ewing | Jul 30, 1929 00:00 |
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US-1722347-A // Acoustic apparatus // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 330 kB | Shaun Ewing | Jul 30, 1929 00:00 | US-1722347-A // Acoustic apparatus // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 1711651.pdf | 328 kB | Shaun Ewing | May 07, 1929 00:00 |
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US-1711651-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 328 kB | Shaun Ewing | May 07, 1929 00:00 | US-1711651-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 1780919.pdf | 327 kB | Shaun Ewing | Nov 11, 1930 00:00 |
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US-1780919-A // Means for recording telephone conversations // Holland Charlotte M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 327 kB | Shaun Ewing | Nov 11, 1930 00:00 | US-1780919-A // Means for recording telephone conversations // Holland Charlotte M. // Bell Telephone Labor Inc |
