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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2082104.pdf | 1.12 MB | Shaun Ewing | Jun 01, 1937 00:00 |
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US-2082104-A // Testing system // Gibson Earl S. ; Hansen Arnold A. ; Worth John B. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 01, 1937 00:00 | US-2082104-A // Testing system // Gibson Earl S. ; Hansen Arnold A. ; Worth John B. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2082877.pdf | 1.12 MB | Shaun Ewing | Jun 08, 1937 00:00 |
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US-2082877-A // Multiplex communication signaling system // Durand Samuel Relf // American Telephone & Telegraph | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 08, 1937 00:00 | US-2082877-A // Multiplex communication signaling system // Durand Samuel Relf // American Telephone & Telegraph | ||||
| PDF File 1910458.pdf | 1.11 MB | Shaun Ewing | May 23, 1933 00:00 |
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US-1910458-A // Printing telegraph arrangement for radio telephone systems // Bailey Austin ; Herman Joseph ; Wintringham William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | May 23, 1933 00:00 | US-1910458-A // Printing telegraph arrangement for radio telephone systems // Bailey Austin ; Herman Joseph ; Wintringham William T. // American Telephone & Telegraph | ||||
| PDF File 2048828.pdf | 1.11 MB | Shaun Ewing | Jul 28, 1936 00:00 |
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US-2048828-A // Radio and wire broadcasting system // Tidd Warren H. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Jul 28, 1936 00:00 | US-2048828-A // Radio and wire broadcasting system // Tidd Warren H. // American Telephone & Telegraph | ||||
| PDF File 1895020.pdf | 1.10 MB | Shaun Ewing | Jan 24, 1933 00:00 |
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US-1895020-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Jan 24, 1933 00:00 | US-1895020-A // Telephone system // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1830873.pdf | 1.09 MB | Shaun Ewing | Nov 10, 1931 00:00 |
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US-1830873-A // Telephone system // Haines William T. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Nov 10, 1931 00:00 | US-1830873-A // Telephone system // Haines William T. // American Telephone & Telegraph | ||||
| PDF File 1837327.pdf | 1.09 MB | Shaun Ewing | Dec 22, 1931 00:00 |
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US-1837327-A // Transmission network // Lewis Benjamin F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837327-A // Transmission network // Lewis Benjamin F. // American Telephone & Telegraph | ||||
| PDF File 2111685.pdf | 1.09 MB | Shaun Ewing | Mar 22, 1938 00:00 |
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US-2111685-A // Telegraph broadcasting system // Walker Charles Robert // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | Mar 22, 1938 00:00 | US-2111685-A // Telegraph broadcasting system // Walker Charles Robert // American Telephone & Telegraph | ||||
| PDF File 1859404.pdf | 1.09 MB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859404-A // Telephone exchange system // Mcdavitt Marcellus B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.09 MB | Shaun Ewing | May 24, 1932 00:00 | US-1859404-A // Telephone exchange system // Mcdavitt Marcellus B. // American Telephone & Telegraph | ||||
| PDF File 1885168.pdf | 1.08 MB | Shaun Ewing | Nov 01, 1932 00:00 |
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US-1885168-A // Concentric conducting system // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885168-A // Concentric conducting system // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 2189102.pdf | 1.08 MB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189102-A // Printing telegraph apparatus // Wolfe Donald Fraser De // American Telephone & Telegraph | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189102-A // Printing telegraph apparatus // Wolfe Donald Fraser De // American Telephone & Telegraph | ||||
| PDF File 1922139.pdf | 1.07 MB | Shaun Ewing | Aug 15, 1933 00:00 |
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US-1922139-A // Telegraph system for submarine cables // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Aug 15, 1933 00:00 | US-1922139-A // Telegraph system for submarine cables // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1855303.pdf | 1.07 MB | Shaun Ewing | Apr 26, 1932 00:00 |
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US-1855303-A // Multiple coaxial conductor system // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Apr 26, 1932 00:00 | US-1855303-A // Multiple coaxial conductor system // Mccurdy Ralph G. // American Telephone & Telegraph | ||||
| PDF File 1926172.pdf | 1.07 MB | Shaun Ewing | Sept 12, 1933 00:00 |
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US-1926172-A // Printing telegraph exchange system // Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Sept 12, 1933 00:00 | US-1926172-A // Printing telegraph exchange system // Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 2031696.pdf | 1.07 MB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031696-A // Switching arrangement for four-wire circuits // Espenschied Lloyd ; Monk Newton // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031696-A // Switching arrangement for four-wire circuits // Espenschied Lloyd ; Monk Newton // American Telephone & Telegraph | ||||
| PDF File 1917960.pdf | 1.06 MB | Shaun Ewing | Jul 11, 1933 00:00 |
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US-1917960-A // Four wire circuits // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Jul 11, 1933 00:00 | US-1917960-A // Four wire circuits // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1940764.pdf | 1.06 MB | Shaun Ewing | Dec 26, 1933 00:00 |
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US-1940764-A // Time sender // Mccann Thomas A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Dec 26, 1933 00:00 | US-1940764-A // Time sender // Mccann Thomas A. // American Telephone & Telegraph | ||||
| PDF File 1870396.pdf | 1.06 MB | Shaun Ewing | Aug 09, 1932 00:00 |
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US-1870396-A // Telephone signaling system // Abraham Leonard G. ; Staples Elliot M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Aug 09, 1932 00:00 | US-1870396-A // Telephone signaling system // Abraham Leonard G. ; Staples Elliot M. // American Telephone & Telegraph | ||||
| PDF File 2110260.pdf | 1.05 MB | Shaun Ewing | Mar 08, 1938 00:00 |
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US-2110260-A // Telegraph system // Burgess Montague Stephen ; Clark Alva Benson // American Telephone & Telegraph | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Mar 08, 1938 00:00 | US-2110260-A // Telegraph system // Burgess Montague Stephen ; Clark Alva Benson // American Telephone & Telegraph | ||||
| PDF File 2034026.pdf | 1.04 MB | Shaun Ewing | Mar 17, 1936 00:00 |
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US-2034026-A // Circuits with circular shields // Curtis Harold E. ; Mead Sallie P. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Mar 17, 1936 00:00 | US-2034026-A // Circuits with circular shields // Curtis Harold E. ; Mead Sallie P. // American Telephone & Telegraph |
