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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1787511.pdf | 523 kB | Shaun Ewing | Jan 06, 1931 00:00 |
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US-1787511-A // Patching arrangement for carrier telegraph circuits // Clapp Robert H. // American Telephone & Telegraph | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Jan 06, 1931 00:00 | US-1787511-A // Patching arrangement for carrier telegraph circuits // Clapp Robert H. // American Telephone & Telegraph | ||||
| PDF File 2087949.pdf | 523 kB | Shaun Ewing | Jul 27, 1937 00:00 |
|
US-2087949-A // Electrical attenuator // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 523 kB | Shaun Ewing | Jul 27, 1937 00:00 | US-2087949-A // Electrical attenuator // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1973589.pdf | 522 kB | Shaun Ewing | Sept 11, 1934 00:00 |
|
US-1973589-A // Typewriting machine // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Sept 11, 1934 00:00 | US-1973589-A // Typewriting machine // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 2099065.pdf | 519 kB | Shaun Ewing | Nov 16, 1937 00:00 |
|
US-2099065-A // Distributor device // Holden William Henry Towne // American Telephone & Telegraph | |||
| Version 1 (current) | 519 kB | Shaun Ewing | Nov 16, 1937 00:00 | US-2099065-A // Distributor device // Holden William Henry Towne // American Telephone & Telegraph | ||||
| PDF File 1814158.pdf | 518 kB | Shaun Ewing | Jul 14, 1931 00:00 |
|
US-1814158-A // Signaling system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1814158-A // Signaling system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 2007416.pdf | 518 kB | Shaun Ewing | Jul 09, 1935 00:00 |
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US-2007416-A // Volume control circuit // Affel Herman Andrew // American Telephone & Telegraph | |||
| Version 1 (current) | 518 kB | Shaun Ewing | Jul 09, 1935 00:00 | US-2007416-A // Volume control circuit // Affel Herman Andrew // American Telephone & Telegraph | ||||
| PDF File 1904567.pdf | 517 kB | Shaun Ewing | Apr 18, 1933 00:00 |
|
US-1904567-A // Two-way telephone system // Taylor Edmund R. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904567-A // Two-way telephone system // Taylor Edmund R. // American Telephone & Telegraph | ||||
| PDF File 1893569.pdf | 517 kB | Shaun Ewing | Jan 10, 1933 00:00 |
|
US-1893569-A // Reduction of interference in carrier systems // Thorp Vaughn P. // American Telephone & Telegraph | |||
| Version 1 (current) | 517 kB | Shaun Ewing | Jan 10, 1933 00:00 | US-1893569-A // Reduction of interference in carrier systems // Thorp Vaughn P. // American Telephone & Telegraph | ||||
| PDF File 1826196.pdf | 515 kB | Shaun Ewing | Oct 06, 1931 00:00 |
|
US-1826196-A // Echo suppressor // Abraham Leonard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 515 kB | Shaun Ewing | Oct 06, 1931 00:00 | US-1826196-A // Echo suppressor // Abraham Leonard G. // American Telephone & Telegraph | ||||
| PDF File 1889824.pdf | 514 kB | Shaun Ewing | Dec 06, 1932 00:00 |
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US-1889824-A // Testing system // Edwards Paul G. // American Telephone & Telegraph | |||
| Version 1 (current) | 514 kB | Shaun Ewing | Dec 06, 1932 00:00 | US-1889824-A // Testing system // Edwards Paul G. // American Telephone & Telegraph | ||||
| PDF File 2172913.pdf | 514 kB | Shaun Ewing | Sept 12, 1939 00:00 |
|
US-2172913-A // Paper-feeding device // Rose Claude C. // American Telephone & Telegraph | |||
| Version 1 (current) | 514 kB | Shaun Ewing | Sept 12, 1939 00:00 | US-2172913-A // Paper-feeding device // Rose Claude C. // American Telephone & Telegraph | ||||
| PDF File 2101209.pdf | 513 kB | Shaun Ewing | Dec 07, 1937 00:00 |
|
US-2101209-A // Signaling system // Bacon Walter Meredith // American Telephone & Telegraph | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Dec 07, 1937 00:00 | US-2101209-A // Signaling system // Bacon Walter Meredith // American Telephone & Telegraph | ||||
| PDF File 1792600.pdf | 512 kB | Shaun Ewing | Feb 17, 1931 00:00 |
|
US-1792600-A // Radio signaling system // Ohl Russell S. // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Feb 17, 1931 00:00 | US-1792600-A // Radio signaling system // Ohl Russell S. // American Telephone & Telegraph | ||||
| PDF File 2036316.pdf | 512 kB | Shaun Ewing | Apr 07, 1936 00:00 |
|
US-2036316-A // Telephone system // Bascom Henry Melvin // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Apr 07, 1936 00:00 | US-2036316-A // Telephone system // Bascom Henry Melvin // American Telephone & Telegraph | ||||
| PDF File 2133384.pdf | 512 kB | Shaun Ewing | Oct 18, 1938 00:00 |
|
US-2133384-A // System and method for identification of conductors in cables // Fisher Donald ; Parker George Blaine // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Oct 18, 1938 00:00 | US-2133384-A // System and method for identification of conductors in cables // Fisher Donald ; Parker George Blaine // American Telephone & Telegraph | ||||
| PDF File 1871959.pdf | 512 kB | Shaun Ewing | Aug 16, 1932 00:00 |
|
US-1871959-A // Transmission regulator system // Corderman Roy C. // American Telephone & Telegraph | |||
| Version 1 (current) | 512 kB | Shaun Ewing | Aug 16, 1932 00:00 | US-1871959-A // Transmission regulator system // Corderman Roy C. // American Telephone & Telegraph | ||||
| PDF File 1939613.pdf | 511 kB | Shaun Ewing | Dec 12, 1933 00:00 |
|
US-1939613-A // Printing telegraph system // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 511 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1939613-A // Printing telegraph system // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1871967.pdf | 511 kB | Shaun Ewing | Aug 16, 1932 00:00 |
|
US-1871967-A // Electrical testing system // Edwards Paul G. ; Henneberger Thomas C. // American Telephone & Telegraph | |||
| Version 1 (current) | 511 kB | Shaun Ewing | Aug 16, 1932 00:00 | US-1871967-A // Electrical testing system // Edwards Paul G. ; Henneberger Thomas C. // American Telephone & Telegraph | ||||
| PDF File 2015323.pdf | 510 kB | Shaun Ewing | Sept 24, 1935 00:00 |
|
US-2015323-A // Printing telegraph system // Singer Fred John ; Swezey Burdette Stevens // American Telephone & Telegraph | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Sept 24, 1935 00:00 | US-2015323-A // Printing telegraph system // Singer Fred John ; Swezey Burdette Stevens // American Telephone & Telegraph | ||||
| PDF File 1932588.pdf | 510 kB | Shaun Ewing | Oct 31, 1933 00:00 |
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US-1932588-A // Volume control system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 510 kB | Shaun Ewing | Oct 31, 1933 00:00 | US-1932588-A // Volume control system // Holden William H. T. // American Telephone & Telegraph |
