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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1860535.pdf | 668 kB | Shaun Ewing | May 31, 1932 00:00 |
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US-1860535-A // Impulse transmitter // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | May 31, 1932 00:00 | US-1860535-A // Impulse transmitter // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2067529.pdf | 668 kB | Shaun Ewing | Jan 12, 1937 00:00 |
|
US-2067529-A // Electron discharge device // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Jan 12, 1937 00:00 | US-2067529-A // Electron discharge device // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2199083.pdf | 668 kB | Shaun Ewing | Apr 30, 1940 00:00 |
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US-2199083-A // Transmission of guided waves // Schelkunoff Sergei Alexander // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Apr 30, 1940 00:00 | US-2199083-A // Transmission of guided waves // Schelkunoff Sergei Alexander // Bell Telephone Labor Inc | ||||
| PDF File 1948976.pdf | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948976-A // Electric wave amplifying system // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2055208.pdf | 668 kB | Shaun Ewing | Sept 22, 1936 00:00 |
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US-2055208-A // Electrical wave production // Rumpel Carl H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | Sept 22, 1936 00:00 | US-2055208-A // Electrical wave production // Rumpel Carl H. // Bell Telephone Labor Inc | ||||
| PDF File 1804178.pdf | 668 kB | Shaun Ewing | May 05, 1931 00:00 |
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US-1804178-A // Regulator system // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 668 kB | Shaun Ewing | May 05, 1931 00:00 | US-1804178-A // Regulator system // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1984993.pdf | 667 kB | Shaun Ewing | Dec 18, 1934 00:00 |
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US-1984993-A // Electron discharge device // Ronci Victor L. ; Laico Joseph P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1984993-A // Electron discharge device // Ronci Victor L. ; Laico Joseph P. // Bell Telephone Labor Inc | ||||
| PDF File 2114023.pdf | 667 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114023-A // Telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114023-A // Telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 1990544.pdf | 667 kB | Shaun Ewing | Feb 12, 1935 00:00 |
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US-1990544-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Feb 12, 1935 00:00 | US-1990544-A // Electrooptical system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2104425.pdf | 667 kB | Shaun Ewing | Jan 04, 1938 00:00 |
|
US-2104425-A // Telephone booth // Kuntz Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104425-A // Telephone booth // Kuntz Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 1968435.pdf | 667 kB | Shaun Ewing | Jul 31, 1934 00:00 |
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US-1968435-A // Testing circuit // Bertels Arnold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Jul 31, 1934 00:00 | US-1968435-A // Testing circuit // Bertels Arnold S. // Bell Telephone Labor Inc | ||||
| PDF File 2144865.pdf | 667 kB | Shaun Ewing | Jan 24, 1939 00:00 |
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US-2144865-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Jan 24, 1939 00:00 | US-2144865-A // Gain control circuits // Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2120413.pdf | 666 kB | Shaun Ewing | Jun 14, 1938 00:00 |
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US-2120413-A // Selective switch // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Jun 14, 1938 00:00 | US-2120413-A // Selective switch // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2157870.pdf | 666 kB | Shaun Ewing | May 09, 1939 00:00 |
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US-2157870-A // High frequency circuit and apparatus // Sowers Nelson E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | May 09, 1939 00:00 | US-2157870-A // High frequency circuit and apparatus // Sowers Nelson E. // Bell Telephone Labor Inc | ||||
| PDF File 1976457.pdf | 666 kB | Shaun Ewing | Oct 09, 1934 00:00 |
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US-1976457-A // Method of and means for removing modulation from a modulated wave // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Oct 09, 1934 00:00 | US-1976457-A // Method of and means for removing modulation from a modulated wave // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2149328.pdf | 666 kB | Shaun Ewing | Mar 07, 1939 00:00 |
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US-2149328-A // Space discharge type of apparatus // Aiken Charles B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Mar 07, 1939 00:00 | US-2149328-A // Space discharge type of apparatus // Aiken Charles B. // Bell Telephone Labor Inc | ||||
| PDF File 2197123.pdf | 666 kB | Shaun Ewing | Apr 16, 1940 00:00 |
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US-2197123-A // Guided wave transmission // King Archie P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Apr 16, 1940 00:00 | US-2197123-A // Guided wave transmission // King Archie P. // Bell Telephone Labor Inc | ||||
| PDF File 2027207.pdf | 666 kB | Shaun Ewing | Jan 07, 1936 00:00 |
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US-2027207-A // Sound picture apparatus // Smythe Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Jan 07, 1936 00:00 | US-2027207-A // Sound picture apparatus // Smythe Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2212216.pdf | 666 kB | Shaun Ewing | Aug 20, 1940 00:00 |
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US-2212216-A // Telephone set // Tradup Albert // Bell Telephone Labor Inc | |||
| Version 1 (current) | 666 kB | Shaun Ewing | Aug 20, 1940 00:00 | US-2212216-A // Telephone set // Tradup Albert // Bell Telephone Labor Inc | ||||
| PDF File 2114017.pdf | 665 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114017-A // Cable terminal // Dring Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114017-A // Cable terminal // Dring Arthur W. // Bell Telephone Labor Inc |
