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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1968450.pdf | 452 kB | Shaun Ewing | Jul 31, 1934 00:00 |
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US-1968450-A // Noise suppression circuit // Heising Raymond A. // Bell Telephone Laboratoires In | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Jul 31, 1934 00:00 | US-1968450-A // Noise suppression circuit // Heising Raymond A. // Bell Telephone Laboratoires In | ||||
| PDF File 2226238.pdf | 452 kB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2226238-A // Coupling circuit // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Dec 24, 1940 00:00 | US-2226238-A // Coupling circuit // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 2196040.pdf | 452 kB | Shaun Ewing | Apr 02, 1940 00:00 |
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US-2196040-A // Electric discharge device // Thompson Albert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Apr 02, 1940 00:00 | US-2196040-A // Electric discharge device // Thompson Albert C. // Bell Telephone Labor Inc | ||||
| PDF File 2167069.pdf | 451 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167069-A // Transmission system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 451 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167069-A // Transmission system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2133794.pdf | 450 kB | Shaun Ewing | Oct 18, 1938 00:00 |
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US-2133794-A // Clutch mechanism // Barber Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Oct 18, 1938 00:00 | US-2133794-A // Clutch mechanism // Barber Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 1864527.pdf | 450 kB | Shaun Ewing | Jun 28, 1932 00:00 |
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US-1864527-A // Measuring apparatus // Castner Theodore G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Jun 28, 1932 00:00 | US-1864527-A // Measuring apparatus // Castner Theodore G. // Bell Telephone Labor Inc | ||||
| PDF File 2112542.pdf | 450 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112542-A // Electromagnet and controlling circuits therefor // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112542-A // Electromagnet and controlling circuits therefor // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2025374.pdf | 450 kB | Shaun Ewing | Dec 24, 1935 00:00 |
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US-2025374-A // Sound transmitting system // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Dec 24, 1935 00:00 | US-2025374-A // Sound transmitting system // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 2018477.pdf | 450 kB | Shaun Ewing | Oct 22, 1935 00:00 |
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US-2018477-A // Coaxial conductor system // Wentz Jesse F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Oct 22, 1935 00:00 | US-2018477-A // Coaxial conductor system // Wentz Jesse F. // Bell Telephone Labor Inc | ||||
| PDF File 2225312.pdf | 450 kB | Shaun Ewing | Dec 17, 1940 00:00 |
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US-2225312-A // Acoustic device // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Dec 17, 1940 00:00 | US-2225312-A // Acoustic device // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1867362.pdf | 449 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1867362-A // Insulation of metal bodies // Lathrop Hubbel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867362-A // Insulation of metal bodies // Lathrop Hubbel // Bell Telephone Labor Inc | ||||
| PDF File 2223200.pdf | 449 kB | Shaun Ewing | Nov 26, 1940 00:00 |
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US-2223200-A // Telephone repeater control circuit // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Nov 26, 1940 00:00 | US-2223200-A // Telephone repeater control circuit // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 1836558.pdf | 449 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836558-A // Light valve // Sherman Russel J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836558-A // Light valve // Sherman Russel J. // Bell Telephone Labor Inc | ||||
| PDF File 1930267.pdf | 448 kB | Shaun Ewing | Oct 10, 1933 00:00 |
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US-1930267-A // Testing and adjusting device // Gibson Robert D. ; Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1930267-A // Testing and adjusting device // Gibson Robert D. ; Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 1979112.pdf | 448 kB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1979112-A // Remote control system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Oct 30, 1934 00:00 | US-1979112-A // Remote control system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2083382.pdf | 448 kB | Shaun Ewing | Jun 08, 1937 00:00 |
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US-2083382-A // Regulated rectifier circuits // Jutson Robert P. ; Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Jun 08, 1937 00:00 | US-2083382-A // Regulated rectifier circuits // Jutson Robert P. ; Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2111646.pdf | 448 kB | Shaun Ewing | Mar 22, 1938 00:00 |
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US-2111646-A // Signaling system // Soffel Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Mar 22, 1938 00:00 | US-2111646-A // Signaling system // Soffel Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 1843910.pdf | 448 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1843910-A // Tuning fork // Broadwell Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 448 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1843910-A // Tuning fork // Broadwell Howard // Bell Telephone Labor Inc | ||||
| PDF File 1836816.pdf | 447 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836816-A // Artificial larynx // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836816-A // Artificial larynx // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 1873609.pdf | 447 kB | Shaun Ewing | Aug 23, 1932 00:00 |
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US-1873609-A // Synchronous signaling system // Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 447 kB | Shaun Ewing | Aug 23, 1932 00:00 | US-1873609-A // Synchronous signaling system // Locke George A. // Bell Telephone Labor Inc |
