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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1943130.pdf | 954 kB | Shaun Ewing | Jan 09, 1934 00:00 |
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US-1943130-A // Telephone system // Macpherson Hugh D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 954 kB | Shaun Ewing | Jan 09, 1934 00:00 | US-1943130-A // Telephone system // Macpherson Hugh D. // Bell Telephone Labor Inc | ||||
| PDF File 1921431.pdf | 954 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921431-A // Loading system // Shea Timothy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 954 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921431-A // Loading system // Shea Timothy E. // Bell Telephone Labor Inc | ||||
| PDF File 1795874.pdf | 954 kB | Shaun Ewing | Mar 10, 1931 00:00 |
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US-1795874-A // Impedance element // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 954 kB | Shaun Ewing | Mar 10, 1931 00:00 | US-1795874-A // Impedance element // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1946216.pdf | 953 kB | Shaun Ewing | Feb 06, 1934 00:00 |
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US-1946216-A // Teletypewriter selector system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 953 kB | Shaun Ewing | Feb 06, 1934 00:00 | US-1946216-A // Teletypewriter selector system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2077925.pdf | 952 kB | Shaun Ewing | Apr 20, 1937 00:00 |
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US-2077925-A // Tape pulling mechanism // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 952 kB | Shaun Ewing | Apr 20, 1937 00:00 | US-2077925-A // Tape pulling mechanism // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 1859030.pdf | 950 kB | Shaun Ewing | May 17, 1932 00:00 |
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US-1859030-A // Distortion correction in transmission systems // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 950 kB | Shaun Ewing | May 17, 1932 00:00 | US-1859030-A // Distortion correction in transmission systems // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2112366.pdf | 949 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112366-A // Telephone control circuit // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 949 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112366-A // Telephone control circuit // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2164034.pdf | 948 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2164034-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164034-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 1916223.pdf | 948 kB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916223-A // Sound translating device // Kalin Walter // Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916223-A // Sound translating device // Kalin Walter // Bell Telephone Labor Inc | ||||
| PDF File 2137793.pdf | 948 kB | Shaun Ewing | Nov 22, 1938 00:00 |
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US-2137793-A // Telephone system // Anderson Emil N. ; Getz Emil L. ; Ulrich Horace W. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Nov 22, 1938 00:00 | US-2137793-A // Telephone system // Anderson Emil N. ; Getz Emil L. ; Ulrich Horace W. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2139247.pdf | 948 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139247-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139247-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2069223.pdf | 946 kB | Shaun Ewing | Feb 02, 1937 00:00 |
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US-2069223-A // Interconnecting telegraph repeater system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 946 kB | Shaun Ewing | Feb 02, 1937 00:00 | US-2069223-A // Interconnecting telegraph repeater system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2060176.pdf | 946 kB | Shaun Ewing | Nov 10, 1936 00:00 |
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US-2060176-A // Switch // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 946 kB | Shaun Ewing | Nov 10, 1936 00:00 | US-2060176-A // Switch // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 2056281.pdf | 945 kB | Shaun Ewing | Oct 06, 1936 00:00 |
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US-2056281-A // Wave filter // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Oct 06, 1936 00:00 | US-2056281-A // Wave filter // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2155056.pdf | 945 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2155056-A // Signaling system // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2155056-A // Signaling system // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2031934.pdf | 943 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031934-A // Printing telegraph system // Corwin Themas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031934-A // Printing telegraph system // Corwin Themas L. // Bell Telephone Labor Inc | ||||
| PDF File 2003964.pdf | 942 kB | Shaun Ewing | Jun 04, 1935 00:00 |
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US-2003964-A // Repeatered line system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 942 kB | Shaun Ewing | Jun 04, 1935 00:00 | US-2003964-A // Repeatered line system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1988006.pdf | 942 kB | Shaun Ewing | Jan 15, 1935 00:00 |
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US-1988006-A // Direction finding system // Greig John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 942 kB | Shaun Ewing | Jan 15, 1935 00:00 | US-1988006-A // Direction finding system // Greig John W. // Bell Telephone Labor Inc | ||||
| PDF File 1819614.pdf | 942 kB | Shaun Ewing | Aug 18, 1931 00:00 |
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US-1819614-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 942 kB | Shaun Ewing | Aug 18, 1931 00:00 | US-1819614-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 1836841.pdf | 940 kB | Shaun Ewing | Dec 15, 1931 00:00 |
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US-1836841-A // Electric wave signaling system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 940 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836841-A // Electric wave signaling system // Dudley Homer W. // Bell Telephone Labor Inc |
