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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2044527.pdf | 471 kB | Shaun Ewing | Jun 16, 1936 00:00 |
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US-2044527-A // Cutting tool // Green Irving Walter // American Telephone & Telegraph | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Jun 16, 1936 00:00 | US-2044527-A // Cutting tool // Green Irving Walter // American Telephone & Telegraph | ||||
| PDF File 1915440.pdf | 471 kB | Shaun Ewing | Jun 27, 1933 00:00 |
|
US-1915440-A // Regenerative amplifier // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 471 kB | Shaun Ewing | Jun 27, 1933 00:00 | US-1915440-A // Regenerative amplifier // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 2104844.pdf | 469 kB | Shaun Ewing | Jan 11, 1938 00:00 |
|
US-2104844-A // Vacuum tube circuit // Affel Herman Andrew // American Telephone & Telegraph | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Jan 11, 1938 00:00 | US-2104844-A // Vacuum tube circuit // Affel Herman Andrew // American Telephone & Telegraph | ||||
| PDF File 1792579.pdf | 468 kB | Shaun Ewing | Feb 17, 1931 00:00 |
|
US-1792579-A // Telephone circuit // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 468 kB | Shaun Ewing | Feb 17, 1931 00:00 | US-1792579-A // Telephone circuit // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1961274.pdf | 465 kB | Shaun Ewing | Jun 05, 1934 00:00 |
|
US-1961274-A // Echo suppressor // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jun 05, 1934 00:00 | US-1961274-A // Echo suppressor // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 2094701.pdf | 465 kB | Shaun Ewing | Oct 05, 1937 00:00 |
|
US-2094701-A // Distortion measuring device for telegraph systems // Harms Gordon J. // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Oct 05, 1937 00:00 | US-2094701-A // Distortion measuring device for telegraph systems // Harms Gordon J. // American Telephone & Telegraph | ||||
| PDF File 1814038.pdf | 465 kB | Shaun Ewing | Jul 14, 1931 00:00 |
|
US-1814038-A // Echo suppressor // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1814038-A // Echo suppressor // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1845081.pdf | 465 kB | Shaun Ewing | Feb 16, 1932 00:00 |
|
US-1845081-A // Electrical protective system // Ferris Livingston P. // American Telephone & Telegraph | |||
| Version 1 (current) | 465 kB | Shaun Ewing | Feb 16, 1932 00:00 | US-1845081-A // Electrical protective system // Ferris Livingston P. // American Telephone & Telegraph | ||||
| PDF File 2094113.pdf | 464 kB | Shaun Ewing | Sept 28, 1937 00:00 |
|
US-2094113-A // Wave transmission // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Sept 28, 1937 00:00 | US-2094113-A // Wave transmission // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1836114.pdf | 464 kB | Shaun Ewing | Dec 15, 1931 00:00 |
|
US-1836114-A // System of carrier current signaling on power lines // Green Estill L. // American Telephone & Telegraph | |||
| Version 1 (current) | 464 kB | Shaun Ewing | Dec 15, 1931 00:00 | US-1836114-A // System of carrier current signaling on power lines // Green Estill L. // American Telephone & Telegraph | ||||
| PDF File 1921187.pdf | 463 kB | Shaun Ewing | Aug 08, 1933 00:00 |
|
US-1921187-A // Ultra-short-wave system // Hollmann Hans Erich // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Aug 08, 1933 00:00 | US-1921187-A // Ultra-short-wave system // Hollmann Hans Erich // American Telephone & Telegraph | ||||
| PDF File 1938742.pdf | 463 kB | Shaun Ewing | Dec 12, 1933 00:00 |
|
US-1938742-A // Gas-filled discharge tube // Demarest Charles Sidney // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1938742-A // Gas-filled discharge tube // Demarest Charles Sidney // American Telephone & Telegraph | ||||
| PDF File 1835003.pdf | 463 kB | Shaun Ewing | Dec 08, 1931 00:00 |
|
US-1835003-A // Telephone system // Bisbee Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 463 kB | Shaun Ewing | Dec 08, 1931 00:00 | US-1835003-A // Telephone system // Bisbee Frederick C. // American Telephone & Telegraph | ||||
| PDF File 1856204.pdf | 462 kB | Shaun Ewing | May 03, 1932 00:00 |
|
US-1856204-A // Coaxial conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | May 03, 1932 00:00 | US-1856204-A // Coaxial conductor system // Affel Herman A. ; Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 2031728.pdf | 462 kB | Shaun Ewing | Feb 25, 1936 00:00 |
|
US-2031728-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031728-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 2061227.pdf | 462 kB | Shaun Ewing | Nov 17, 1936 00:00 |
|
US-2061227-A // Signaling system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 462 kB | Shaun Ewing | Nov 17, 1936 00:00 | US-2061227-A // Signaling system // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1788470.pdf | 461 kB | Shaun Ewing | Jan 13, 1931 00:00 |
|
US-1788470-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 461 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788470-A // Electrooptical system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1887576.pdf | 460 kB | Shaun Ewing | Nov 15, 1932 00:00 |
|
US-1887576-A // Telephone pay station apparatus // Bollinger Howard M. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Nov 15, 1932 00:00 | US-1887576-A // Telephone pay station apparatus // Bollinger Howard M. // American Telephone & Telegraph | ||||
| PDF File 2015779.pdf | 460 kB | Shaun Ewing | Oct 01, 1935 00:00 |
|
US-2015779-A // Transmission measuring system // Best Fred Heller // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | Oct 01, 1935 00:00 | US-2015779-A // Transmission measuring system // Best Fred Heller // American Telephone & Telegraph | ||||
| PDF File 2081312.pdf | 460 kB | Shaun Ewing | May 25, 1937 00:00 |
|
US-2081312-A // Carrier telegraph system // Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 460 kB | Shaun Ewing | May 25, 1937 00:00 | US-2081312-A // Carrier telegraph system // Thorp Vaughn P. // American Telephone & Telegraph |
