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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2140126.pdf | 869 kB | Shaun Ewing | Dec 13, 1938 00:00 |
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US-2140126-A // Rotary switch // Broadwell Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 869 kB | Shaun Ewing | Dec 13, 1938 00:00 | US-2140126-A // Rotary switch // Broadwell Howard // Bell Telephone Labor Inc | ||||
| PDF File 2190307.pdf | 869 kB | Shaun Ewing | Feb 13, 1940 00:00 |
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US-2190307-A // Designation transmitter // Bascom Henry M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 869 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190307-A // Designation transmitter // Bascom Henry M. // Bell Telephone Labor Inc | ||||
| PDF File 1991195.pdf | 868 kB | Shaun Ewing | Feb 12, 1935 00:00 |
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US-1991195-A // Wave transmission network // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 868 kB | Shaun Ewing | Feb 12, 1935 00:00 | US-1991195-A // Wave transmission network // Darlington Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2035258.pdf | 868 kB | Shaun Ewing | Mar 24, 1936 00:00 |
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US-2035258-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 868 kB | Shaun Ewing | Mar 24, 1936 00:00 | US-2035258-A // Wave filter // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2194918.pdf | 867 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194918-A // Telegraph system // Thorp Vaughn P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194918-A // Telegraph system // Thorp Vaughn P. // Bell Telephone Labor Inc | ||||
| PDF File 1964528.pdf | 866 kB | Shaun Ewing | Jun 26, 1934 00:00 |
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US-1964528-A // Coin receptacle cover // Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 866 kB | Shaun Ewing | Jun 26, 1934 00:00 | US-1964528-A // Coin receptacle cover // Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 1853969.pdf | 866 kB | Shaun Ewing | Apr 12, 1932 00:00 |
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US-1853969-A // Circuits for coupling lines of different impedances // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 866 kB | Shaun Ewing | Apr 12, 1932 00:00 | US-1853969-A // Circuits for coupling lines of different impedances // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 1859565.pdf | 866 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859565-A // Apparatus for reducing crosstalk currents // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 866 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859565-A // Apparatus for reducing crosstalk currents // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 1896487.pdf | 865 kB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896487-A // Calling circuit // Gibson Robert D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896487-A // Calling circuit // Gibson Robert D. // Bell Telephone Labor Inc | ||||
| PDF File 2085093.pdf | 865 kB | Shaun Ewing | Jun 29, 1937 00:00 |
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US-2085093-A // Sheet holding means // Gauthier Marcel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Jun 29, 1937 00:00 | US-2085093-A // Sheet holding means // Gauthier Marcel C. // Bell Telephone Labor Inc | ||||
| PDF File 2060898.pdf | 865 kB | Shaun Ewing | Nov 17, 1936 00:00 |
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US-2060898-A // Control circuits // Rosene Victor E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Nov 17, 1936 00:00 | US-2060898-A // Control circuits // Rosene Victor E. // Bell Telephone Labor Inc | ||||
| PDF File 2086130.pdf | 865 kB | Shaun Ewing | Jul 06, 1937 00:00 |
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US-2086130-A // Telegraphone // Hickman Clarence N. ; Heights Jackson ; Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Jul 06, 1937 00:00 | US-2086130-A // Telegraphone // Hickman Clarence N. ; Heights Jackson ; Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 1962367.pdf | 865 kB | Shaun Ewing | Jun 12, 1934 00:00 |
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US-1962367-A // Motion picture system with sound // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Jun 12, 1934 00:00 | US-1962367-A // Motion picture system with sound // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2197042.pdf | 865 kB | Shaun Ewing | Apr 16, 1940 00:00 |
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US-2197042-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Apr 16, 1940 00:00 | US-2197042-A // Electron discharge device // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2023581.pdf | 864 kB | Shaun Ewing | Dec 10, 1935 00:00 |
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US-2023581-A // Sound picture projector // Glunt Omer M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 864 kB | Shaun Ewing | Dec 10, 1935 00:00 | US-2023581-A // Sound picture projector // Glunt Omer M. // Bell Telephone Labor Inc | ||||
| PDF File 1866261.pdf | 863 kB | Shaun Ewing | Jul 05, 1932 00:00 |
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US-1866261-A // Signal transmission system // Lutomirski Karel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Jul 05, 1932 00:00 | US-1866261-A // Signal transmission system // Lutomirski Karel // Bell Telephone Labor Inc | ||||
| PDF File 1961381.pdf | 863 kB | Shaun Ewing | Jun 05, 1934 00:00 |
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US-1961381-A // Voice operated circuit // Norwine Andrew Courtney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961381-A // Voice operated circuit // Norwine Andrew Courtney // Bell Telephone Labor Inc | ||||
| PDF File 1971675.pdf | 862 kB | Shaun Ewing | Aug 28, 1934 00:00 |
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US-1971675-A // Electrooptical image production // Horton Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 862 kB | Shaun Ewing | Aug 28, 1934 00:00 | US-1971675-A // Electrooptical image production // Horton Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 1882850.pdf | 861 kB | Shaun Ewing | Oct 18, 1932 00:00 |
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US-1882850-A // Frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 861 kB | Shaun Ewing | Oct 18, 1932 00:00 | US-1882850-A // Frequency producer // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2022969.pdf | 861 kB | Shaun Ewing | Dec 03, 1935 00:00 |
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US-2022969-A // Electrical wave production // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 861 kB | Shaun Ewing | Dec 03, 1935 00:00 | US-2022969-A // Electrical wave production // Meacham Larned A. // Bell Telephone Labor Inc |
