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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2119559.pdf | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 |
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US-2119559-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119559-A // Electron discharge device // Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2119607.pdf | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 |
|
US-2119607-A // Radio communicating system // Sterba Ernest J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jun 07, 1938 00:00 | US-2119607-A // Radio communicating system // Sterba Ernest J. // Bell Telephone Labor Inc | ||||
| PDF File 2212960.pdf | 1.02 MB | Shaun Ewing | Aug 27, 1940 00:00 |
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US-2212960-A // Signal controlled switching circuits in telephone systems // Schott Lionel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Aug 27, 1940 00:00 | US-2212960-A // Signal controlled switching circuits in telephone systems // Schott Lionel // Bell Telephone Labor Inc | ||||
| PDF File 1788533.pdf | 1.01 MB | Shaun Ewing | Jan 13, 1931 00:00 |
|
US-1788533-A // Frequency-control system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788533-A // Frequency-control system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2151157.pdf | 1.01 MB | Shaun Ewing | Mar 21, 1939 00:00 |
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US-2151157-A // Guided electromagnetic wave transmission // Schelkunoff Sergel A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Mar 21, 1939 00:00 | US-2151157-A // Guided electromagnetic wave transmission // Schelkunoff Sergel A. // Bell Telephone Labor Inc | ||||
| PDF File 2096415.pdf | 1.01 MB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096415-A // Electron discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096415-A // Electron discharge device // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2036037.pdf | 1.01 MB | Shaun Ewing | Mar 31, 1936 00:00 |
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US-2036037-A // Telephone call transmitter // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Mar 31, 1936 00:00 | US-2036037-A // Telephone call transmitter // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2195098.pdf | 1.01 MB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2195098-A // Electron discharge device // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Mar 26, 1940 00:00 | US-2195098-A // Electron discharge device // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 1963753.pdf | 1.01 MB | Shaun Ewing | Jun 19, 1934 00:00 |
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US-1963753-A // Sound motion picture system // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Jun 19, 1934 00:00 | US-1963753-A // Sound motion picture system // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2023011.pdf | 1.01 MB | Shaun Ewing | Dec 03, 1935 00:00 |
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US-2023011-A // Telephone system // Dunham Bert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Dec 03, 1935 00:00 | US-2023011-A // Telephone system // Dunham Bert G. // Bell Telephone Labor Inc | ||||
| PDF File 2202172.pdf | 1.01 MB | Shaun Ewing | May 28, 1940 00:00 |
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US-2202172-A // Control system // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | May 28, 1940 00:00 | US-2202172-A // Control system // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2018489.pdf | 1.01 MB | Shaun Ewing | Oct 22, 1935 00:00 |
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US-2018489-A // Signal transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Oct 22, 1935 00:00 | US-2018489-A // Signal transmission system // Jr. Stephen Doba, // Bell Telephone Labor Inc | ||||
| PDF File 1937118.pdf | 1.01 MB | Shaun Ewing | Nov 28, 1933 00:00 |
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US-1937118-A // Projecting pictures in stereoscopic relief // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Nov 28, 1933 00:00 | US-1937118-A // Projecting pictures in stereoscopic relief // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2160798.pdf | 1.01 MB | Shaun Ewing | May 30, 1939 00:00 |
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US-2160798-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | May 30, 1939 00:00 | US-2160798-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2142335.pdf | 1.01 MB | Shaun Ewing | Jan 03, 1939 00:00 |
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US-2142335-A // Radio transmitter control // Scott Herbert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Jan 03, 1939 00:00 | US-2142335-A // Radio transmitter control // Scott Herbert J. // Bell Telephone Labor Inc | ||||
| PDF File 2027194.pdf | 1.01 MB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2027194-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Jan 07, 1936 00:00 | US-2027194-A // Telephone system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2148538.pdf | 1.01 MB | Shaun Ewing | Feb 28, 1939 00:00 |
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US-2148538-A // Electron discharge device // Depew Charles ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Feb 28, 1939 00:00 | US-2148538-A // Electron discharge device // Depew Charles ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 1873411.pdf | 1.01 MB | Shaun Ewing | Aug 23, 1932 00:00 |
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US-1873411-A // Television // Ives Herbert E. ; Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Aug 23, 1932 00:00 | US-1873411-A // Television // Ives Herbert E. ; Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2136621.pdf | 1.01 MB | Shaun Ewing | Nov 15, 1938 00:00 |
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US-2136621-A // Antenna selector system // King Archie P. ; Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Nov 15, 1938 00:00 | US-2136621-A // Antenna selector system // King Archie P. ; Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2218526.pdf | 1.00 MB | Shaun Ewing | Oct 22, 1940 00:00 |
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US-2218526-A // Transmission of frequencymodulated waves // Lange Owen E. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Oct 22, 1940 00:00 | US-2218526-A // Transmission of frequencymodulated waves // Lange Owen E. De // Bell Telephone Labor Inc |
