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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2103501.pdf | 563 kB | Shaun Ewing | Dec 28, 1937 00:00 |
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US-2103501-A // Terminal box device // Waldron Fred D. ; Wier Anthony J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 563 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103501-A // Terminal box device // Waldron Fred D. ; Wier Anthony J. // Bell Telephone Labor Inc | ||||
| PDF File 1844114.pdf | 562 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844114-A // Manufacture of continuously loaded conductors // Bishop Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844114-A // Manufacture of continuously loaded conductors // Bishop Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2039625.pdf | 562 kB | Shaun Ewing | May 05, 1936 00:00 |
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US-2039625-A // Acoustic device // Blount Nelson // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | May 05, 1936 00:00 | US-2039625-A // Acoustic device // Blount Nelson // Bell Telephone Labor Inc | ||||
| PDF File 2014514.pdf | 562 kB | Shaun Ewing | Sept 17, 1935 00:00 |
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US-2014514-A // Mechanical wave filter // Augustadt Herbert W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Sept 17, 1935 00:00 | US-2014514-A // Mechanical wave filter // Augustadt Herbert W. // Bell Telephone Labor Inc | ||||
| PDF File 2169851.pdf | 562 kB | Shaun Ewing | Aug 15, 1939 00:00 |
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US-2169851-A // Transmission level transient change indicator // Romnes Haakon I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Aug 15, 1939 00:00 | US-2169851-A // Transmission level transient change indicator // Romnes Haakon I. // Bell Telephone Labor Inc | ||||
| PDF File 2061594.pdf | 562 kB | Shaun Ewing | Nov 24, 1936 00:00 |
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US-2061594-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Nov 24, 1936 00:00 | US-2061594-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2065883.pdf | 562 kB | Shaun Ewing | Dec 29, 1936 00:00 |
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US-2065883-A // Intercommunicating telephone system // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Dec 29, 1936 00:00 | US-2065883-A // Intercommunicating telephone system // Beaumont William M. // Bell Telephone Labor Inc | ||||
| PDF File 1980175.pdf | 560 kB | Shaun Ewing | Nov 13, 1934 00:00 |
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US-1980175-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 560 kB | Shaun Ewing | Nov 13, 1934 00:00 | US-1980175-A // Telephone system // Beaumont William M. // Bell Telephone Labor Inc | ||||
| PDF File 2201879.pdf | 560 kB | Shaun Ewing | May 21, 1940 00:00 |
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US-2201879-A // Delay type piezoelectric relay // Blattner David G. ; Vieth Leonard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 560 kB | Shaun Ewing | May 21, 1940 00:00 | US-2201879-A // Delay type piezoelectric relay // Blattner David G. ; Vieth Leonard // Bell Telephone Labor Inc | ||||
| PDF File 1894823.pdf | 559 kB | Shaun Ewing | Jan 17, 1933 00:00 |
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US-1894823-A // Coin receptacle // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Jan 17, 1933 00:00 | US-1894823-A // Coin receptacle // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 1866592.pdf | 559 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1866592-A // Voice operated repeater circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866592-A // Voice operated repeater circuit // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 1930915.pdf | 559 kB | Shaun Ewing | Oct 17, 1933 00:00 |
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US-1930915-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Oct 17, 1933 00:00 | US-1930915-A // Acoustic device // Wente Edward C. // Bell Telephone Labor Inc | ||||
| PDF File 2063341.pdf | 559 kB | Shaun Ewing | Dec 08, 1936 00:00 |
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US-2063341-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Dec 08, 1936 00:00 | US-2063341-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2191167.pdf | 558 kB | Shaun Ewing | Feb 20, 1940 00:00 |
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US-2191167-A // Amplifier // Edson James O. ; Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Feb 20, 1940 00:00 | US-2191167-A // Amplifier // Edson James O. ; Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2093674.pdf | 558 kB | Shaun Ewing | Sept 21, 1937 00:00 |
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US-2093674-A // Light valve // Harley John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Sept 21, 1937 00:00 | US-2093674-A // Light valve // Harley John B. // Bell Telephone Labor Inc | ||||
| PDF File 2213398.pdf | 558 kB | Shaun Ewing | Sept 03, 1940 00:00 |
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US-2213398-A // Vacuum tube circuit // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 558 kB | Shaun Ewing | Sept 03, 1940 00:00 | US-2213398-A // Vacuum tube circuit // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 1815212.pdf | 557 kB | Shaun Ewing | Jul 21, 1931 00:00 |
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US-1815212-A // Terminal connecter // Ogg Robert A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Jul 21, 1931 00:00 | US-1815212-A // Terminal connecter // Ogg Robert A. // Bell Telephone Labor Inc | ||||
| PDF File 2143407.pdf | 557 kB | Shaun Ewing | Jan 10, 1939 00:00 |
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US-2143407-A // Gain control circuits // Chesnut Roy W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Jan 10, 1939 00:00 | US-2143407-A // Gain control circuits // Chesnut Roy W. // Bell Telephone Labor Inc | ||||
| PDF File 2062478.pdf | 557 kB | Shaun Ewing | Dec 01, 1936 00:00 |
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US-2062478-A // Acoustic device // Riesz Robert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 557 kB | Shaun Ewing | Dec 01, 1936 00:00 | US-2062478-A // Acoustic device // Riesz Robert R. // Bell Telephone Labor Inc | ||||
| PDF File 1909419.pdf | 556 kB | Shaun Ewing | May 16, 1933 00:00 |
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US-1909419-A // Telephone system // Oakes William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 556 kB | Shaun Ewing | May 16, 1933 00:00 | US-1909419-A // Telephone system // Oakes William C. // Bell Telephone Labor Inc |
