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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2425801.pdf | 957 kB | Shaun Ewing | Aug 19, 1947 00:00 |
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US-2425801-A // Signaling system // Hanley Frank Harold // American Telephone & Telegraph | |||
| Version 1 (current) | 957 kB | Shaun Ewing | Aug 19, 1947 00:00 | US-2425801-A // Signaling system // Hanley Frank Harold // American Telephone & Telegraph | ||||
| PDF File 3266018.pdf | 951 kB | Shaun Ewing | Aug 09, 1966 00:00 |
|
US-3266018-A // Telemetering system for reading remotely loacted utility meters // Higgins Neil S. // American Telephone & Telegraph | |||
| Version 1 (current) | 951 kB | Shaun Ewing | Aug 09, 1966 00:00 | US-3266018-A // Telemetering system for reading remotely loacted utility meters // Higgins Neil S. // American Telephone & Telegraph | ||||
| PDF File 2366998.pdf | 951 kB | Shaun Ewing | Jan 09, 1945 00:00 |
|
US-2366998-A // Accounting and statistical system // Bruce Robert // American Telephone & Telegraph | |||
| Version 1 (current) | 951 kB | Shaun Ewing | Jan 09, 1945 00:00 | US-2366998-A // Accounting and statistical system // Bruce Robert // American Telephone & Telegraph | ||||
| PDF File 2405339.pdf | 945 kB | Shaun Ewing | Aug 06, 1946 00:00 |
|
US-2405339-A // Equipment for observing dial tone speed // Willis Milton Powell // American Telephone & Telegraph | |||
| Version 1 (current) | 945 kB | Shaun Ewing | Aug 06, 1946 00:00 | US-2405339-A // Equipment for observing dial tone speed // Willis Milton Powell // American Telephone & Telegraph | ||||
| PDF File 3418455.pdf | 944 kB | Shaun Ewing | Dec 24, 1968 00:00 |
|
US-3418455-A // Matched mailing detection system // Rackliffe Leroy J. ; Rau Rodney G. // American Telephone & Telegraph | |||
| Version 1 (current) | 944 kB | Shaun Ewing | Dec 24, 1968 00:00 | US-3418455-A // Matched mailing detection system // Rackliffe Leroy J. ; Rau Rodney G. // American Telephone & Telegraph | ||||
| PDF File 2845478.pdf | 941 kB | Shaun Ewing | Jul 29, 1958 00:00 |
|
US-2845478-A // Selective station calling system // Foley Daniel Elmore // American Telephone & Telegraph | |||
| Version 1 (current) | 941 kB | Shaun Ewing | Jul 29, 1958 00:00 | US-2845478-A // Selective station calling system // Foley Daniel Elmore // American Telephone & Telegraph | ||||
| PDF File 2641644.pdf | 939 kB | Shaun Ewing | Jun 09, 1953 00:00 |
|
US-2641644-A // Printing suppression mechanism for teletypewriters // Beyland Sidney Warren // American Telephone & Telegraph | |||
| Version 1 (current) | 939 kB | Shaun Ewing | Jun 09, 1953 00:00 | US-2641644-A // Printing suppression mechanism for teletypewriters // Beyland Sidney Warren // American Telephone & Telegraph | ||||
| PDF File 2375136.pdf | 935 kB | Shaun Ewing | May 01, 1945 00:00 |
|
US-2375136-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 935 kB | Shaun Ewing | May 01, 1945 00:00 | US-2375136-A // Telephone system // Rhoads Charles Stanley // American Telephone & Telegraph | ||||
| PDF File 2799739.pdf | 935 kB | Shaun Ewing | Jul 16, 1957 00:00 |
|
US-2799739-A // Method and means for identifying conductor pairs // Lowman Henry C. J. ; Murphy Edward M. ; Musgrave John C. ; Somers Melvin L. // American Telephone & Telegraph | |||
| Version 1 (current) | 935 kB | Shaun Ewing | Jul 16, 1957 00:00 | US-2799739-A // Method and means for identifying conductor pairs // Lowman Henry C. J. ; Murphy Edward M. ; Musgrave John C. ; Somers Melvin L. // American Telephone & Telegraph | ||||
| PDF File 2375048.pdf | 926 kB | Shaun Ewing | May 01, 1945 00:00 |
|
US-2375048-A // Selective signaling system // Torpie John Francis // American Telephone And Telepho | |||
| Version 1 (current) | 926 kB | Shaun Ewing | May 01, 1945 00:00 | US-2375048-A // Selective signaling system // Torpie John Francis // American Telephone And Telepho | ||||
| PDF File 3115551.pdf | 925 kB | Shaun Ewing | Dec 24, 1963 00:00 |
|
US-3115551-A // Crossbar switch station concentrator // Plyer Roger A. // American Telephone & Telegraph | |||
| Version 1 (current) | 925 kB | Shaun Ewing | Dec 24, 1963 00:00 | US-3115551-A // Crossbar switch station concentrator // Plyer Roger A. // American Telephone & Telegraph | ||||
| PDF File 2414612.pdf | 919 kB | Shaun Ewing | Jan 21, 1947 00:00 |
|
US-2414612-A // Testing insulation // Ross Claude M. // American Telephone & Telegraph | |||
| Version 1 (current) | 919 kB | Shaun Ewing | Jan 21, 1947 00:00 | US-2414612-A // Testing insulation // Ross Claude M. // American Telephone & Telegraph | ||||
| PDF File 4547644.pdf | 916 kB | Shaun Ewing | Oct 15, 1985 00:00 |
|
US-4547644-A // Apparatus for heating a preform from which lightguide fiber is drawn // Bair; Wallace C. ; Myers; Daryl L. ; Rogers; Jane W. // At&t Technologies, Inc. | |||
| Version 1 (current) | 916 kB | Shaun Ewing | Oct 15, 1985 00:00 | US-4547644-A // Apparatus for heating a preform from which lightguide fiber is drawn // Bair; Wallace C. ; Myers; Daryl L. ; Rogers; Jane W. // At&t Technologies, Inc. | ||||
| PDF File 2369808.pdf | 913 kB | Shaun Ewing | Feb 20, 1945 00:00 |
|
US-2369808-A // Short-wave radio transmission // Southworth George Clark // American Telephone & Telegraph | |||
| Version 1 (current) | 913 kB | Shaun Ewing | Feb 20, 1945 00:00 | US-2369808-A // Short-wave radio transmission // Southworth George Clark // American Telephone & Telegraph | ||||
| PDF File 2252622.pdf | 908 kB | Shaun Ewing | Aug 12, 1941 00:00 |
|
US-2252622-A // Start-stop regenerative telegraph repeater // Fox Francis H. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Aug 12, 1941 00:00 | US-2252622-A // Start-stop regenerative telegraph repeater // Fox Francis H. // American Telephone & Telegraph | ||||
| PDF File 3293370.pdf | 893 kB | Shaun Ewing | Dec 20, 1966 00:00 |
|
US-3293370-A // Make busy line circuit for key telephone systems // Macleod Donald A. // American Telephone & Telegraph | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Dec 20, 1966 00:00 | US-3293370-A // Make busy line circuit for key telephone systems // Macleod Donald A. // American Telephone & Telegraph | ||||
| PDF File 2360637.pdf | 893 kB | Shaun Ewing | Oct 17, 1944 00:00 |
|
US-2360637-A // Reperforator tape feed-out arrangement // Anspach Russell Jacob ; Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 893 kB | Shaun Ewing | Oct 17, 1944 00:00 | US-2360637-A // Reperforator tape feed-out arrangement // Anspach Russell Jacob ; Martin Wade B. // American Telephone & Telegraph | ||||
| PDF File 3101393.pdf | 885 kB | Shaun Ewing | Aug 20, 1963 00:00 |
|
US-3101393-A // Cordless type switchboard // Desnoes Arnold B. ; Fullerton Dick P. ; Shea Philip D. // American Telephone & Telegraph | |||
| Version 1 (current) | 885 kB | Shaun Ewing | Aug 20, 1963 00:00 | US-3101393-A // Cordless type switchboard // Desnoes Arnold B. ; Fullerton Dick P. ; Shea Philip D. // American Telephone & Telegraph | ||||
| PDF File 2252629.pdf | 881 kB | Shaun Ewing | Aug 12, 1941 00:00 |
|
US-2252629-A // Supervisory signal system // Hanley Frank Harold ; Carter Frank J. ; Davidsmeyer Orville Howard ; Lamberson Otha M. // American Telephone & Telegraph ; Bell Telephone Labor Inc | |||
| Version 1 (current) | 881 kB | Shaun Ewing | Aug 12, 1941 00:00 | US-2252629-A // Supervisory signal system // Hanley Frank Harold ; Carter Frank J. ; Davidsmeyer Orville Howard ; Lamberson Otha M. // American Telephone & Telegraph ; Bell Telephone Labor Inc | ||||
| PDF File 2350193.pdf | 874 kB | Shaun Ewing | May 30, 1944 00:00 |
|
US-2350193-A // Auxiliary telephone apparatus // Rhoads Charles Stanley // American Telephone & Telegraph | |||
| Version 1 (current) | 874 kB | Shaun Ewing | May 30, 1944 00:00 | US-2350193-A // Auxiliary telephone apparatus // Rhoads Charles Stanley // American Telephone & Telegraph |
