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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1919019.pdf | 804 kB | Shaun Ewing | Jul 18, 1933 00:00 |
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US-1919019-A // Artificial cable and loading coil therefor // Greenidge Ralph M. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Jul 18, 1933 00:00 | US-1919019-A // Artificial cable and loading coil therefor // Greenidge Ralph M. C. // Bell Telephone Labor Inc | ||||
| PDF File 2042822.pdf | 804 kB | Shaun Ewing | Jun 02, 1936 00:00 |
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US-2042822-A // Telephone transmitter // Bennett Arthur F. ; Tuffnell William L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Jun 02, 1936 00:00 | US-2042822-A // Telephone transmitter // Bennett Arthur F. ; Tuffnell William L. // Bell Telephone Labor Inc | ||||
| PDF File 1896480.pdf | 804 kB | Shaun Ewing | Feb 07, 1933 00:00 |
|
US-1896480-A // Balanced inductance device // Christopher Arthur J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896480-A // Balanced inductance device // Christopher Arthur J. // Bell Telephone Labor Inc | ||||
| PDF File 2180365.pdf | 803 kB | Shaun Ewing | Nov 21, 1939 00:00 |
|
US-2180365-A // Sweep circuits // Norton Frank R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Nov 21, 1939 00:00 | US-2180365-A // Sweep circuits // Norton Frank R. // Bell Telephone Labor Inc | ||||
| PDF File 2038222.pdf | 803 kB | Shaun Ewing | Apr 21, 1936 00:00 |
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US-2038222-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Apr 21, 1936 00:00 | US-2038222-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 2112533.pdf | 803 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112533-A // Frequency changer system // Kalb Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112533-A // Frequency changer system // Kalb Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 1985013.pdf | 802 kB | Shaun Ewing | Dec 18, 1934 00:00 |
|
US-1985013-A // Artificial larynx // Burchett George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1985013-A // Artificial larynx // Burchett George W. // Bell Telephone Labor Inc | ||||
| PDF File 2058208.pdf | 802 kB | Shaun Ewing | Oct 20, 1936 00:00 |
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US-2058208-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Oct 20, 1936 00:00 | US-2058208-A // Acoustic device // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 1910982.pdf | 801 kB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910982-A // Stroboscopic system // Broadwell Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 801 kB | Shaun Ewing | May 23, 1933 00:00 | US-1910982-A // Stroboscopic system // Broadwell Howard // Bell Telephone Labor Inc | ||||
| PDF File 2054789.pdf | 801 kB | Shaun Ewing | Sept 22, 1936 00:00 |
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US-2054789-A // Communication system // Chesnut Roy W. ; Crane Ralph E. ; Huber George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 801 kB | Shaun Ewing | Sept 22, 1936 00:00 | US-2054789-A // Communication system // Chesnut Roy W. ; Crane Ralph E. ; Huber George H. // Bell Telephone Labor Inc | ||||
| PDF File 1788736.pdf | 800 kB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788736-A // Echo-suppressing and energy-limiting circuits // O'Neill Henry W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 800 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788736-A // Echo-suppressing and energy-limiting circuits // O'Neill Henry W. // Bell Telephone Labor Inc | ||||
| PDF File 1979026.pdf | 800 kB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1979026-A // Telegraph system // Dowd Andrew D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 800 kB | Shaun Ewing | Oct 30, 1934 00:00 | US-1979026-A // Telegraph system // Dowd Andrew D. // Bell Telephone Labor Inc | ||||
| PDF File 2033956.pdf | 799 kB | Shaun Ewing | Mar 17, 1936 00:00 |
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US-2033956-A // Electrical transmission circuit // Rumpel Carl H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Mar 17, 1936 00:00 | US-2033956-A // Electrical transmission circuit // Rumpel Carl H. // Bell Telephone Labor Inc | ||||
| PDF File 1849643.pdf | 799 kB | Shaun Ewing | Mar 15, 1932 00:00 |
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US-1849643-A // Electric contact device // Seasongood Charles C. ; Mcwilliams Charles W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 799 kB | Shaun Ewing | Mar 15, 1932 00:00 | US-1849643-A // Electric contact device // Seasongood Charles C. ; Mcwilliams Charles W. // Bell Telephone Labor Inc | ||||
| PDF File 2144839.pdf | 798 kB | Shaun Ewing | Jan 24, 1939 00:00 |
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US-2144839-A // Switch // Forsberg Oscar F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Jan 24, 1939 00:00 | US-2144839-A // Switch // Forsberg Oscar F. // Bell Telephone Labor Inc | ||||
| PDF File 2082339.pdf | 798 kB | Shaun Ewing | Jun 01, 1937 00:00 |
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US-2082339-A // Television system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Jun 01, 1937 00:00 | US-2082339-A // Television system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1836809.pdf | 798 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836809-A // Distortion correction in transmission systems // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836809-A // Distortion correction in transmission systems // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2167367.pdf | 797 kB | Shaun Ewing | Jul 25, 1939 00:00 |
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US-2167367-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 797 kB | Shaun Ewing | Jul 25, 1939 00:00 | US-2167367-A // Electric wave amplifying system // Meyers Stanley T. // Bell Telephone Labor Inc | ||||
| PDF File 1831391.pdf | 796 kB | Shaun Ewing | Nov 10, 1931 00:00 |
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US-1831391-A // Telephone desk set // Perreault George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Nov 10, 1931 00:00 | US-1831391-A // Telephone desk set // Perreault George E. // Bell Telephone Labor Inc | ||||
| PDF File 2020487.pdf | 796 kB | Shaun Ewing | Nov 12, 1935 00:00 |
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US-2020487-A // Electrical signaling // Wadsworth Paul W. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Nov 12, 1935 00:00 | US-2020487-A // Electrical signaling // Wadsworth Paul W. ; Taylor Charles C. // Bell Telephone Labor Inc ; American Telephone & Telegraph |