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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2194705.pdf | 726 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194705-A // Testing equipment // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194705-A // Testing equipment // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2086105.pdf | 726 kB | Shaun Ewing | Jul 06, 1937 00:00 |
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US-2086105-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Jul 06, 1937 00:00 | US-2086105-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2223167.pdf | 725 kB | Shaun Ewing | Nov 26, 1940 00:00 |
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US-2223167-A // Electric wave amplifier // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Nov 26, 1940 00:00 | US-2223167-A // Electric wave amplifier // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2128412.pdf | 725 kB | Shaun Ewing | Aug 30, 1938 00:00 |
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US-2128412-A // Cable plug // Harley Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Aug 30, 1938 00:00 | US-2128412-A // Cable plug // Harley Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2139236.pdf | 725 kB | Shaun Ewing | Dec 06, 1938 00:00 |
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US-2139236-A // Gain control circuit // Kinzer John P. ; Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Dec 06, 1938 00:00 | US-2139236-A // Gain control circuit // Kinzer John P. ; Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 1817024.pdf | 725 kB | Shaun Ewing | Aug 04, 1931 00:00 |
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US-1817024-A // Retractile device // Voos Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Aug 04, 1931 00:00 | US-1817024-A // Retractile device // Voos Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2188671.pdf | 725 kB | Shaun Ewing | Jan 30, 1940 00:00 |
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US-2188671-A // Wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Jan 30, 1940 00:00 | US-2188671-A // Wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 1788521.pdf | 725 kB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788521-A // Short-wave amplifying system // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788521-A // Short-wave amplifying system // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2155192.pdf | 725 kB | Shaun Ewing | Apr 18, 1939 00:00 |
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US-2155192-A // Signaling // Johnson John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2155192-A // Signaling // Johnson John B. // Bell Telephone Labor Inc | ||||
| PDF File 2214019.pdf | 724 kB | Shaun Ewing | Sept 10, 1940 00:00 |
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US-2214019-A // Electronic switching device // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Sept 10, 1940 00:00 | US-2214019-A // Electronic switching device // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2131393.pdf | 724 kB | Shaun Ewing | Sept 27, 1938 00:00 |
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US-2131393-A // Electric wave amplifying system // Stillwell Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Sept 27, 1938 00:00 | US-2131393-A // Electric wave amplifying system // Stillwell Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 2184978.pdf | 724 kB | Shaun Ewing | Dec 26, 1939 00:00 |
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US-2184978-A // Carrier current telegraphy // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Dec 26, 1939 00:00 | US-2184978-A // Carrier current telegraphy // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 1935301.pdf | 724 kB | Shaun Ewing | Nov 14, 1933 00:00 |
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US-1935301-A // Sound reproducing system // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Nov 14, 1933 00:00 | US-1935301-A // Sound reproducing system // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2140492.pdf | 723 kB | Shaun Ewing | Dec 20, 1938 00:00 |
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US-2140492-A // Distortion correction in wave transmission // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140492-A // Distortion correction in wave transmission // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2217417.pdf | 723 kB | Shaun Ewing | Oct 08, 1940 00:00 |
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US-2217417-A // Electron discharge apparatus // Peterson Liss C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Oct 08, 1940 00:00 | US-2217417-A // Electron discharge apparatus // Peterson Liss C. // Bell Telephone Labor Inc | ||||
| PDF File 2193427.pdf | 721 kB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193427-A // Telephone system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193427-A // Telephone system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2086649.pdf | 720 kB | Shaun Ewing | Jul 13, 1937 00:00 |
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US-2086649-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Jul 13, 1937 00:00 | US-2086649-A // Acoustic device // Thuras Albert L. // Bell Telephone Labor Inc | ||||
| PDF File 1954958.pdf | 720 kB | Shaun Ewing | Apr 17, 1934 00:00 |
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US-1954958-A // Electric glow discharge lamp // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Apr 17, 1934 00:00 | US-1954958-A // Electric glow discharge lamp // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2002689.pdf | 720 kB | Shaun Ewing | May 28, 1935 00:00 |
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US-2002689-A // Magnetic material and method of treating magnetic materials // Bozorth Richard M. ; Dillinger Joy F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | May 28, 1935 00:00 | US-2002689-A // Magnetic material and method of treating magnetic materials // Bozorth Richard M. ; Dillinger Joy F. // Bell Telephone Labor Inc | ||||
| PDF File 1795652.pdf | 720 kB | Shaun Ewing | Mar 10, 1931 00:00 |
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US-1795652-A // Telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Mar 10, 1931 00:00 | US-1795652-A // Telegraph system // Kinkead Fullerton S. // Bell Telephone Labor Inc |
