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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2093084.pdf | 1.27 MB | Shaun Ewing | Sept 14, 1937 00:00 |
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US-2093084-A // System for giving teletypewriter service over telephone lines // Krecek Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Sept 14, 1937 00:00 | US-2093084-A // System for giving teletypewriter service over telephone lines // Krecek Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2030419.pdf | 1.27 MB | Shaun Ewing | Feb 11, 1936 00:00 |
|
US-2030419-A // Telephone exchange system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030419-A // Telephone exchange system // Williams Samuel B. // Bell Telephone Labor Inc | ||||
| PDF File 1788534.pdf | 1.27 MB | Shaun Ewing | Jan 13, 1931 00:00 |
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US-1788534-A // Acoustic phase-shifting device // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788534-A // Acoustic phase-shifting device // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 1873334.pdf | 1.27 MB | Shaun Ewing | Aug 23, 1932 00:00 |
|
US-1873334-A // Power line carrier telephone system // Sarros James D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Aug 23, 1932 00:00 | US-1873334-A // Power line carrier telephone system // Sarros James D. // Bell Telephone Labor Inc | ||||
| PDF File 1904618.pdf | 1.27 MB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1904618-A // Telegraph system // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904618-A // Telegraph system // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 1819648.pdf | 1.26 MB | Shaun Ewing | Aug 18, 1931 00:00 |
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US-1819648-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Aug 18, 1931 00:00 | US-1819648-A // Wave transmission system // Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2147720.pdf | 1.26 MB | Shaun Ewing | Feb 21, 1939 00:00 |
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US-2147720-A // Telegraphic exchange circuit // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Feb 21, 1939 00:00 | US-2147720-A // Telegraphic exchange circuit // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2096450.pdf | 1.26 MB | Shaun Ewing | Oct 19, 1937 00:00 |
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US-2096450-A // Control circuit // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Oct 19, 1937 00:00 | US-2096450-A // Control circuit // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2170046.pdf | 1.26 MB | Shaun Ewing | Aug 22, 1939 00:00 |
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US-2170046-A // Negative feedback amplifier // Anderson Frithiof B. ; Clement Andrew W. ; Wilson Ira G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.26 MB | Shaun Ewing | Aug 22, 1939 00:00 | US-2170046-A // Negative feedback amplifier // Anderson Frithiof B. ; Clement Andrew W. ; Wilson Ira G. // Bell Telephone Labor Inc | ||||
| PDF File 2206896.pdf | 1.25 MB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2206896-A // Radiant energy distance measuring system // Higgins William H. C. ; Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jul 09, 1940 00:00 | US-2206896-A // Radiant energy distance measuring system // Higgins William H. C. ; Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2181265.pdf | 1.25 MB | Shaun Ewing | Nov 28, 1939 00:00 |
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US-2181265-A // Signaling system // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Nov 28, 1939 00:00 | US-2181265-A // Signaling system // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2166359.pdf | 1.25 MB | Shaun Ewing | Jul 18, 1939 00:00 |
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US-2166359-A // Magnetostrictive device // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jul 18, 1939 00:00 | US-2166359-A // Magnetostrictive device // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 1910972.pdf | 1.25 MB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910972-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | May 23, 1933 00:00 | US-1910972-A // Telephone system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2072462.pdf | 1.25 MB | Shaun Ewing | Mar 02, 1937 00:00 |
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US-2072462-A // Coin collector // Mills Percy E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Mar 02, 1937 00:00 | US-2072462-A // Coin collector // Mills Percy E. // Bell Telephone Labor Inc | ||||
| PDF File 2164165.pdf | 1.25 MB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2164165-A // Electrical condenser // Rodgers Karl F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164165-A // Electrical condenser // Rodgers Karl F. // Bell Telephone Labor Inc | ||||
| PDF File 2073468.pdf | 1.25 MB | Shaun Ewing | Mar 09, 1937 00:00 |
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US-2073468-A // Communication system // Fitch Karl E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Mar 09, 1937 00:00 | US-2073468-A // Communication system // Fitch Karl E. // Bell Telephone Labor Inc | ||||
| PDF File 1799796.pdf | 1.25 MB | Shaun Ewing | Apr 07, 1931 00:00 |
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US-1799796-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Apr 07, 1931 00:00 | US-1799796-A // Telephone-exchange system // Hovland Henry // Bell Telephone Labor Inc | ||||
| PDF File 1844111.pdf | 1.24 MB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844111-A // Telephone exchange system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844111-A // Telephone exchange system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 2188758.pdf | 1.24 MB | Shaun Ewing | Jan 30, 1940 00:00 |
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US-2188758-A // Transmission and reception of frequency modulated waves // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Jan 30, 1940 00:00 | US-2188758-A // Transmission and reception of frequency modulated waves // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2086112.pdf | 1.24 MB | Shaun Ewing | Jul 06, 1937 00:00 |
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US-2086112-A // Ventilator // Atkins George E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Jul 06, 1937 00:00 | US-2086112-A // Ventilator // Atkins George E. // Bell Telephone Labor Inc |
