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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1931866.pdf | 796 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931866-A // Gain control circuits // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 796 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931866-A // Gain control circuits // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2063334.pdf | 795 kB | Shaun Ewing | Dec 08, 1936 00:00 |
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US-2063334-A // Transmission system // Norman Nathaniel C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Dec 08, 1936 00:00 | US-2063334-A // Transmission system // Norman Nathaniel C. // Bell Telephone Labor Inc | ||||
| PDF File 2166639.pdf | 795 kB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166639-A // Coin collector apparatus // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166639-A // Coin collector apparatus // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2097497.pdf | 795 kB | Shaun Ewing | Nov 02, 1937 00:00 |
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US-2097497-A // Coin chute for coin collectors // Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Nov 02, 1937 00:00 | US-2097497-A // Coin chute for coin collectors // Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 2209513.pdf | 795 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209513-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209513-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | ||||
| PDF File 2142138.pdf | 794 kB | Shaun Ewing | Jan 03, 1939 00:00 |
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US-2142138-A // Guided wave transmission // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Jan 03, 1939 00:00 | US-2142138-A // Guided wave transmission // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2062319.pdf | 794 kB | Shaun Ewing | Dec 01, 1936 00:00 |
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US-2062319-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Dec 01, 1936 00:00 | US-2062319-A // Electron discharge device // Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2134718.pdf | 794 kB | Shaun Ewing | Nov 01, 1938 00:00 |
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US-2134718-A // Electron discharge apparatus // Knoop William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 794 kB | Shaun Ewing | Nov 01, 1938 00:00 | US-2134718-A // Electron discharge apparatus // Knoop William A. // Bell Telephone Labor Inc | ||||
| PDF File 1919804.pdf | 793 kB | Shaun Ewing | Jul 25, 1933 00:00 |
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US-1919804-A // Transmission of sound and images // Ryan Francis M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Jul 25, 1933 00:00 | US-1919804-A // Transmission of sound and images // Ryan Francis M. // Bell Telephone Labor Inc | ||||
| PDF File 1976548.pdf | 793 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976548-A // Electrical communication system // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976548-A // Electrical communication system // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2018496.pdf | 793 kB | Shaun Ewing | Oct 22, 1935 00:00 |
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US-2018496-A // Recorder stylus // Keller Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Oct 22, 1935 00:00 | US-2018496-A // Recorder stylus // Keller Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 1856373.pdf | 793 kB | Shaun Ewing | May 03, 1932 00:00 |
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US-1856373-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856373-A // Power amplifier // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1984992.pdf | 792 kB | Shaun Ewing | Dec 18, 1934 00:00 |
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US-1984992-A // Electron discharge device // Ronci Victor L. ; Clark James E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 792 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1984992-A // Electron discharge device // Ronci Victor L. ; Clark James E. // Bell Telephone Labor Inc | ||||
| PDF File 1976489.pdf | 792 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976489-A // Electron discharge device // Gargan John Owen // Bell Telephone Labor Inc | |||
| Version 1 (current) | 792 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976489-A // Electron discharge device // Gargan John Owen // Bell Telephone Labor Inc | ||||
| PDF File 2186242.pdf | 791 kB | Shaun Ewing | Jan 09, 1940 00:00 |
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US-2186242-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Jan 09, 1940 00:00 | US-2186242-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2160823.pdf | 791 kB | Shaun Ewing | Jun 06, 1939 00:00 |
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US-2160823-A // Control of electromagnets // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 791 kB | Shaun Ewing | Jun 06, 1939 00:00 | US-2160823-A // Control of electromagnets // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 1968429.pdf | 790 kB | Shaun Ewing | Jul 31, 1934 00:00 |
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US-1968429-A // Sound picture apparatus // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Jul 31, 1934 00:00 | US-1968429-A // Sound picture apparatus // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 1909842.pdf | 790 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909842-A // Method and means for measuring direct capacity // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 790 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909842-A // Method and means for measuring direct capacity // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 1831385.pdf | 790 kB | Shaun Ewing | Nov 10, 1931 00:00 |
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US-1831385-A // Telephone system // Hague Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 790 kB | Shaun Ewing | Nov 10, 1931 00:00 | US-1831385-A // Telephone system // Hague Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 1909838.pdf | 788 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909838-A // Telegraph exchange system // Lane Cuthbert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 788 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909838-A // Telegraph exchange system // Lane Cuthbert C. // Bell Telephone Labor Inc |
