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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1808520.pdf | 538 kB | Shaun Ewing | Jun 02, 1931 00:00 |
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US-1808520-A // Insulated conductor // Brobst David R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 538 kB | Shaun Ewing | Jun 02, 1931 00:00 | US-1808520-A // Insulated conductor // Brobst David R. // Bell Telephone Labor Inc | ||||
| PDF File 2038303.pdf | 538 kB | Shaun Ewing | Apr 21, 1936 00:00 |
|
US-2038303-A // Signaling system // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 538 kB | Shaun Ewing | Apr 21, 1936 00:00 | US-2038303-A // Signaling system // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2174221.pdf | 538 kB | Shaun Ewing | Sept 26, 1939 00:00 |
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US-2174221-A // Telegraph signaling repeater // Cramer Walter W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 538 kB | Shaun Ewing | Sept 26, 1939 00:00 | US-2174221-A // Telegraph signaling repeater // Cramer Walter W. // Bell Telephone Labor Inc | ||||
| PDF File 1792630.pdf | 537 kB | Shaun Ewing | Feb 17, 1931 00:00 |
|
US-1792630-A // Frequency-setting fork // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Feb 17, 1931 00:00 | US-1792630-A // Frequency-setting fork // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 1927070.pdf | 537 kB | Shaun Ewing | Sept 19, 1933 00:00 |
|
US-1927070-A // Distortion correction in wave transmission systems // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 537 kB | Shaun Ewing | Sept 19, 1933 00:00 | US-1927070-A // Distortion correction in wave transmission systems // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2193093.pdf | 536 kB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193093-A // Alarm system // Gardner Leland A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193093-A // Alarm system // Gardner Leland A. // Bell Telephone Labor Inc | ||||
| PDF File 2056912.pdf | 536 kB | Shaun Ewing | Oct 06, 1936 00:00 |
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US-2056912-A // Circuits for resetting gaseous discharge devices // Swart Leland K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Oct 06, 1936 00:00 | US-2056912-A // Circuits for resetting gaseous discharge devices // Swart Leland K. // Bell Telephone Labor Inc | ||||
| PDF File 2151772.pdf | 535 kB | Shaun Ewing | Mar 28, 1939 00:00 |
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US-2151772-A // Telegraph line circuit // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Mar 28, 1939 00:00 | US-2151772-A // Telegraph line circuit // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2032194.pdf | 535 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2032194-A // Vibration translating device // Wiebusch Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2032194-A // Vibration translating device // Wiebusch Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2046707.pdf | 535 kB | Shaun Ewing | Jul 07, 1936 00:00 |
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US-2046707-A // Electric conductor // Swoboda Adolph R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Jul 07, 1936 00:00 | US-2046707-A // Electric conductor // Swoboda Adolph R. // Bell Telephone Labor Inc | ||||
| PDF File 1939680.pdf | 535 kB | Shaun Ewing | Dec 19, 1933 00:00 |
|
US-1939680-A // Voice operated circuit // Fisher Harold J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 535 kB | Shaun Ewing | Dec 19, 1933 00:00 | US-1939680-A // Voice operated circuit // Fisher Harold J. // Bell Telephone Labor Inc | ||||
| PDF File 1985042.pdf | 534 kB | Shaun Ewing | Dec 18, 1934 00:00 |
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US-1985042-A // Wave transmission network // Lane Clarence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1985042-A // Wave transmission network // Lane Clarence E. // Bell Telephone Labor Inc | ||||
| PDF File 2064320.pdf | 534 kB | Shaun Ewing | Dec 15, 1936 00:00 |
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US-2064320-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Dec 15, 1936 00:00 | US-2064320-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2161489.pdf | 534 kB | Shaun Ewing | Jun 06, 1939 00:00 |
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US-2161489-A // Vibratory system // Vieth Leonard ; Wiebusch Charles F. ; Yenzer George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Jun 06, 1939 00:00 | US-2161489-A // Vibratory system // Vieth Leonard ; Wiebusch Charles F. ; Yenzer George R. // Bell Telephone Labor Inc | ||||
| PDF File 2140912.pdf | 533 kB | Shaun Ewing | Dec 20, 1938 00:00 |
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US-2140912-A // Single side-band transmission system // Huber George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140912-A // Single side-band transmission system // Huber George H. // Bell Telephone Labor Inc | ||||
| PDF File 2108830.pdf | 533 kB | Shaun Ewing | Feb 22, 1938 00:00 |
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US-2108830-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Feb 22, 1938 00:00 | US-2108830-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2050633.pdf | 533 kB | Shaun Ewing | Aug 11, 1936 00:00 |
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US-2050633-A // Constant temperature device // Stallard Burrell // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Aug 11, 1936 00:00 | US-2050633-A // Constant temperature device // Stallard Burrell // Bell Telephone Labor Inc | ||||
| PDF File 1922669.pdf | 533 kB | Shaun Ewing | Aug 15, 1933 00:00 |
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US-1922669-A // Coupling device // Elmer Lloyd A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 533 kB | Shaun Ewing | Aug 15, 1933 00:00 | US-1922669-A // Coupling device // Elmer Lloyd A. // Bell Telephone Labor Inc | ||||
| PDF File 1984066.pdf | 532 kB | Shaun Ewing | Dec 11, 1934 00:00 |
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US-1984066-A // Signal transmission system // Jacobs Oliver B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Dec 11, 1934 00:00 | US-1984066-A // Signal transmission system // Jacobs Oliver B. // Bell Telephone Labor Inc | ||||
| PDF File 1837237.pdf | 532 kB | Shaun Ewing | Dec 22, 1931 00:00 |
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US-1837237-A // Telegraph apparatus // Shangle Amos H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 532 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837237-A // Telegraph apparatus // Shangle Amos H. // Bell Telephone Labor Inc |
