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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1880311.pdf | 358 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880311-A // Printing telegraph system // Boose Harry B. // American Telephone & Telegraph | |||
| Version 1 (current) | 358 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880311-A // Printing telegraph system // Boose Harry B. // American Telephone & Telegraph | ||||
| PDF File 1981999.pdf | 357 kB | Shaun Ewing | Nov 27, 1934 00:00 |
|
US-1981999-A // Optical telephone system // French Norman R. // American Telephone & Telegraph | |||
| Version 1 (current) | 357 kB | Shaun Ewing | Nov 27, 1934 00:00 | US-1981999-A // Optical telephone system // French Norman R. // American Telephone & Telegraph | ||||
| PDF File 1821005.pdf | 356 kB | Shaun Ewing | Sept 01, 1931 00:00 |
|
US-1821005-A // Gain measuring apparatus // Cowan Frank A. // American Telephone & Telegraph | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Sept 01, 1931 00:00 | US-1821005-A // Gain measuring apparatus // Cowan Frank A. // American Telephone & Telegraph | ||||
| PDF File 2016452.pdf | 354 kB | Shaun Ewing | Oct 08, 1935 00:00 |
|
US-2016452-A // Carrier current channel separation system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Oct 08, 1935 00:00 | US-2016452-A // Carrier current channel separation system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1955874.pdf | 354 kB | Shaun Ewing | Apr 24, 1934 00:00 |
|
US-1955874-A // Means for controlling gas filled discharge tubes // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Apr 24, 1934 00:00 | US-1955874-A // Means for controlling gas filled discharge tubes // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1850130.pdf | 354 kB | Shaun Ewing | Mar 22, 1932 00:00 |
|
US-1850130-A // Talking moving picture system // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Mar 22, 1932 00:00 | US-1850130-A // Talking moving picture system // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 1863674.pdf | 353 kB | Shaun Ewing | Jun 21, 1932 00:00 |
|
US-1863674-A // Means for reducing lightning interference in carrier telegraph circuits // Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Jun 21, 1932 00:00 | US-1863674-A // Means for reducing lightning interference in carrier telegraph circuits // Thorp Vaughn P. // American Telephone & Telegraph | ||||
| PDF File 1871944.pdf | 353 kB | Shaun Ewing | Aug 16, 1932 00:00 |
|
US-1871944-A // Transmission measuring system // Best Fred H. // American Telephone & Telegraph | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Aug 16, 1932 00:00 | US-1871944-A // Transmission measuring system // Best Fred H. // American Telephone & Telegraph | ||||
| PDF File 1821004.pdf | 353 kB | Shaun Ewing | Sept 01, 1931 00:00 |
|
US-1821004-A // Compression of frequency range // Carpe Allen // American Telephone & Telegraph | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Sept 01, 1931 00:00 | US-1821004-A // Compression of frequency range // Carpe Allen // American Telephone & Telegraph | ||||
| PDF File 2190552.pdf | 352 kB | Shaun Ewing | Feb 13, 1940 00:00 |
|
US-2190552-A // Gas tube circuit // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Feb 13, 1940 00:00 | US-2190552-A // Gas tube circuit // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 1929570.pdf | 352 kB | Shaun Ewing | Oct 10, 1933 00:00 |
|
US-1929570-A // Protective device // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Oct 10, 1933 00:00 | US-1929570-A // Protective device // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 2043399.pdf | 352 kB | Shaun Ewing | Jun 09, 1936 00:00 |
|
US-2043399-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Jun 09, 1936 00:00 | US-2043399-A // Electrical protective system // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 1862591.pdf | 351 kB | Shaun Ewing | Jun 14, 1932 00:00 |
|
US-1862591-A // Conduit threader // Fisher Donald // American Telephone & Telegraph | |||
| Version 1 (current) | 351 kB | Shaun Ewing | Jun 14, 1932 00:00 | US-1862591-A // Conduit threader // Fisher Donald // American Telephone & Telegraph | ||||
| PDF File 1788472.pdf | 350 kB | Shaun Ewing | Jan 13, 1931 00:00 |
|
US-1788472-A // Light-valve-adjusting means // Reynolds Frederick W. // American Telephone & Telegraph | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Jan 13, 1931 00:00 | US-1788472-A // Light-valve-adjusting means // Reynolds Frederick W. // American Telephone & Telegraph | ||||
| PDF File 2154886.pdf | 349 kB | Shaun Ewing | Apr 18, 1939 00:00 |
|
US-2154886-A // Selective signaling system // Bachelet Albert E. ; Holden William H. T. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 349 kB | Shaun Ewing | Apr 18, 1939 00:00 | US-2154886-A // Selective signaling system // Bachelet Albert E. ; Holden William H. T. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2140673.pdf | 348 kB | Shaun Ewing | Dec 20, 1938 00:00 |
|
US-2140673-A // Telegraph system // Greene Monte Lee ; Rhoads William Lockwood // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Dec 20, 1938 00:00 | US-2140673-A // Telegraph system // Greene Monte Lee ; Rhoads William Lockwood // American Telephone & Telegraph | ||||
| PDF File 1845017.pdf | 347 kB | Shaun Ewing | Feb 16, 1932 00:00 |
|
US-1845017-A // Telephone signaling system // Edwards William H. // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Feb 16, 1932 00:00 | US-1845017-A // Telephone signaling system // Edwards William H. // American Telephone & Telegraph | ||||
| PDF File 1948671.pdf | 346 kB | Shaun Ewing | Feb 27, 1934 00:00 |
|
US-1948671-A // Radiotransmission without distortion // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 346 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948671-A // Radiotransmission without distortion // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 2001037.pdf | 345 kB | Shaun Ewing | May 14, 1935 00:00 |
|
US-2001037-A // Voltage compensation in signaling circuits // Rea Wilton Treat ; Henneberger Thomas Clinton // American Telephone & Telegraph | |||
| Version 1 (current) | 345 kB | Shaun Ewing | May 14, 1935 00:00 | US-2001037-A // Voltage compensation in signaling circuits // Rea Wilton Treat ; Henneberger Thomas Clinton // American Telephone & Telegraph | ||||
| PDF File 1904227.pdf | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1904227-A // Gas pressure alarm system for cables // Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904227-A // Gas pressure alarm system for cables // Henneberger Thomas C. // American Telephone & Telegraph |
