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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1823659.pdf | 836 kB | Shaun Ewing | Sept 15, 1931 00:00 |
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US-1823659-A // Wave transmission system // Miller Robert A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 836 kB | Shaun Ewing | Sept 15, 1931 00:00 | US-1823659-A // Wave transmission system // Miller Robert A. // Bell Telephone Labor Inc | ||||
| PDF File 1961372.pdf | 835 kB | Shaun Ewing | Jun 05, 1934 00:00 |
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US-1961372-A // Electrical recording // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 835 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961372-A // Electrical recording // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2007172.pdf | 834 kB | Shaun Ewing | Jul 09, 1935 00:00 |
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US-2007172-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 834 kB | Shaun Ewing | Jul 09, 1935 00:00 | US-2007172-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2154062.pdf | 834 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2154062-A // Gain control circuits // Chesnut Roy W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 834 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154062-A // Gain control circuits // Chesnut Roy W. // Bell Telephone Labor Inc | ||||
| PDF File 1812405.pdf | 833 kB | Shaun Ewing | Jun 30, 1931 00:00 |
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US-1812405-A // Electrooptical transmission system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 833 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1812405-A // Electrooptical transmission system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 1844110.pdf | 833 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844110-A // Determination of telephone quality // Steinberg John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 833 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844110-A // Determination of telephone quality // Steinberg John C. // Bell Telephone Labor Inc | ||||
| PDF File 1811941.pdf | 831 kB | Shaun Ewing | Jun 30, 1931 00:00 |
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US-1811941-A // Apparatus for reducing disturbing currents // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 831 kB | Shaun Ewing | Jun 30, 1931 00:00 | US-1811941-A // Apparatus for reducing disturbing currents // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 2049948.pdf | 831 kB | Shaun Ewing | Aug 04, 1936 00:00 |
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US-2049948-A // Protective means for electric circuits // Cushman Robert A. ; Young Lawrence G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 831 kB | Shaun Ewing | Aug 04, 1936 00:00 | US-2049948-A // Protective means for electric circuits // Cushman Robert A. ; Young Lawrence G. // Bell Telephone Labor Inc | ||||
| PDF File 2107754.pdf | 831 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107754-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 831 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107754-A // Telephone system // Johnston Donald F. // Bell Telephone Labor Inc | ||||
| PDF File 1998104.pdf | 829 kB | Shaun Ewing | Apr 16, 1935 00:00 |
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US-1998104-A // Generator control circuit // Sole John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Apr 16, 1935 00:00 | US-1998104-A // Generator control circuit // Sole John H. // Bell Telephone Labor Inc | ||||
| PDF File 2164344.pdf | 829 kB | Shaun Ewing | Jul 04, 1939 00:00 |
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US-2164344-A // Signal transmission system // Norwine Andrew C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Jul 04, 1939 00:00 | US-2164344-A // Signal transmission system // Norwine Andrew C. // Bell Telephone Labor Inc | ||||
| PDF File 2019594.pdf | 829 kB | Shaun Ewing | Nov 05, 1935 00:00 |
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US-2019594-A // Signal transmission system // Black Knox C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Nov 05, 1935 00:00 | US-2019594-A // Signal transmission system // Black Knox C. // Bell Telephone Labor Inc | ||||
| PDF File 1967223.pdf | 829 kB | Shaun Ewing | Jul 24, 1934 00:00 |
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US-1967223-A // Vibration transmitting device // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Jul 24, 1934 00:00 | US-1967223-A // Vibration transmitting device // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 2199921.pdf | 829 kB | Shaun Ewing | May 07, 1940 00:00 |
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US-2199921-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | May 07, 1940 00:00 | US-2199921-A // Wave filter // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2106810.pdf | 827 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106810-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 827 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106810-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 1863307.pdf | 827 kB | Shaun Ewing | Jun 14, 1932 00:00 |
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US-1863307-A // Telephone exchange system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 827 kB | Shaun Ewing | Jun 14, 1932 00:00 | US-1863307-A // Telephone exchange system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 2160796.pdf | 827 kB | Shaun Ewing | May 30, 1939 00:00 |
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US-2160796-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 827 kB | Shaun Ewing | May 30, 1939 00:00 | US-2160796-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2041822.pdf | 826 kB | Shaun Ewing | May 26, 1936 00:00 |
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US-2041822-A // Electrooptical system // Dowd Andrew D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | May 26, 1936 00:00 | US-2041822-A // Electrooptical system // Dowd Andrew D. // Bell Telephone Labor Inc | ||||
| PDF File 1947247.pdf | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 |
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US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | Feb 13, 1934 00:00 | US-1947247-A // High frequency transmission system // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 1921024.pdf | 826 kB | Shaun Ewing | Aug 08, 1933 00:00 |
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US-1921024-A // Alarm system // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 826 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921024-A // Alarm system // Field Joseph C. // Bell Telephone Labor Inc |
