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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 4533795.pdf | 1.06 MB | Shaun Ewing | Aug 06, 1985 00:00 |
|
US-4533795-A // Integrated electroacoustic transducer // Baumhauer, Jr.; John C. ; Hershey; Harold J. ; Poteat; Tommy L. // American Telephone And Telegraph ; At&t Bell Laboratories | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Aug 06, 1985 00:00 | US-4533795-A // Integrated electroacoustic transducer // Baumhauer, Jr.; John C. ; Hershey; Harold J. ; Poteat; Tommy L. // American Telephone And Telegraph ; At&t Bell Laboratories | ||||
| PDF File 2284329.pdf | 1.04 MB | Shaun Ewing | May 26, 1942 00:00 |
|
US-2284329-A // Telephone system // Lesti Arnold // American Telephone & Telegraph | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | May 26, 1942 00:00 | US-2284329-A // Telephone system // Lesti Arnold // American Telephone & Telegraph | ||||
| PDF File 3054949.pdf | 1.04 MB | Shaun Ewing | Sept 18, 1962 00:00 |
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US-3054949-A // Method of and apparatus for identifying discrete tip and ring conductor pairs in telephone cable // Bates George W. ; Clark Robert F. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.04 MB | Shaun Ewing | Sept 18, 1962 00:00 | US-3054949-A // Method of and apparatus for identifying discrete tip and ring conductor pairs in telephone cable // Bates George W. ; Clark Robert F. // American Telephone & Telegraph | ||||
| PDF File 3137770.pdf | 1.02 MB | Shaun Ewing | Jun 16, 1964 00:00 |
|
US-3137770-A // Telephone call holding arrangement // Doyle Michael E. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Jun 16, 1964 00:00 | US-3137770-A // Telephone call holding arrangement // Doyle Michael E. // American Telephone & Telegraph | ||||
| PDF File 3105883.pdf | 1.01 MB | Shaun Ewing | Oct 01, 1963 00:00 |
|
US-3105883-A // Pressure transducer testing circuit // Jr. George E. Higson, // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Oct 01, 1963 00:00 | US-3105883-A // Pressure transducer testing circuit // Jr. George E. Higson, // American Telephone & Telegraph | ||||
| PDF File 2397848.pdf | 1.01 MB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397848-A // Teletypewriter control system // Eggensperger Arlo Raleigh // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397848-A // Teletypewriter control system // Eggensperger Arlo Raleigh // American Telephone & Telegraph | ||||
| PDF File 3389234.pdf | 1.00 MB | Shaun Ewing | Jun 18, 1968 00:00 |
|
US-3389234-A // Access control in telephone testing systems // Cotner J. Arthur // American Telephone & Telegraph | |||
| Version 1 (current) | 1.00 MB | Shaun Ewing | Jun 18, 1968 00:00 | US-3389234-A // Access control in telephone testing systems // Cotner J. Arthur // American Telephone & Telegraph | ||||
| PDF File 2401464.pdf | 1020 kB | Shaun Ewing | Jun 04, 1946 00:00 |
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US-2401464-A // Privacy system // Corderman Roy Clinton // American Telephone & Telegraph | |||
| Version 1 (current) | 1020 kB | Shaun Ewing | Jun 04, 1946 00:00 | US-2401464-A // Privacy system // Corderman Roy Clinton // American Telephone & Telegraph | ||||
| PDF File 3311709.pdf | 1016 kB | Shaun Ewing | Mar 28, 1967 00:00 |
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US-3311709-A // Multidigit register circuit having random interrogating means // Bontempo Andrew // American Telephone & Telegraph | |||
| Version 1 (current) | 1016 kB | Shaun Ewing | Mar 28, 1967 00:00 | US-3311709-A // Multidigit register circuit having random interrogating means // Bontempo Andrew // American Telephone & Telegraph | ||||
| PDF File 2533342.pdf | 1014 kB | Shaun Ewing | Dec 12, 1950 00:00 |
|
US-2533342-A // Tandem switching system // Avery Robert Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 1014 kB | Shaun Ewing | Dec 12, 1950 00:00 | US-2533342-A // Tandem switching system // Avery Robert Campbell // American Telephone & Telegraph | ||||
| PDF File 3914561.pdf | 1000 kB | Shaun Ewing | Oct 21, 1975 00:00 |
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US-3914561-A // Apparatus and method for tracing jumpers in a main distributing frame // Schardt; Courtney Harold ; Schepis; Albert James // American Telephone & Telegraph | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Oct 21, 1975 00:00 | US-3914561-A // Apparatus and method for tracing jumpers in a main distributing frame // Schardt; Courtney Harold ; Schepis; Albert James // American Telephone & Telegraph | ||||
| PDF File 2300003.pdf | 991 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2300003-A // Selective signaling system // Neiswinter James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 991 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2300003-A // Selective signaling system // Neiswinter James T. // American Telephone & Telegraph | ||||
| PDF File 2397837.pdf | 988 kB | Shaun Ewing | Apr 02, 1946 00:00 |
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US-2397837-A // Apparatus for testing telephone lines // Cannon Frank Jess ; Goodwin George Ellis // American Telephone & Telegraph | |||
| Version 1 (current) | 988 kB | Shaun Ewing | Apr 02, 1946 00:00 | US-2397837-A // Apparatus for testing telephone lines // Cannon Frank Jess ; Goodwin George Ellis // American Telephone & Telegraph | ||||
| PDF File 2367042.pdf | 981 kB | Shaun Ewing | Jan 09, 1945 00:00 |
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US-2367042-A // Signaling apparatus // Neiswinter James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 981 kB | Shaun Ewing | Jan 09, 1945 00:00 | US-2367042-A // Signaling apparatus // Neiswinter James T. // American Telephone & Telegraph | ||||
| PDF File 2684997.pdf | 974 kB | Shaun Ewing | Jul 27, 1954 00:00 |
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US-2684997-A // Telephone line finder circuit // Thompson Bert H. // American Telephone & Telegraph | |||
| Version 1 (current) | 974 kB | Shaun Ewing | Jul 27, 1954 00:00 | US-2684997-A // Telephone line finder circuit // Thompson Bert H. // American Telephone & Telegraph | ||||
| PDF File 2691064.pdf | 968 kB | Shaun Ewing | Oct 05, 1954 00:00 |
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US-2691064-A // Measuring circuits // Shepherd Judson O'D. // American Telephone & Telegraph | |||
| Version 1 (current) | 968 kB | Shaun Ewing | Oct 05, 1954 00:00 | US-2691064-A // Measuring circuits // Shepherd Judson O'D. // American Telephone & Telegraph | ||||
| PDF File 2921116.pdf | 966 kB | Shaun Ewing | Jan 12, 1960 00:00 |
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US-2921116-A // Teletypewriter automatic alarm reporting system // Makary William E. // American Telephone & Telegraph | |||
| Version 1 (current) | 966 kB | Shaun Ewing | Jan 12, 1960 00:00 | US-2921116-A // Teletypewriter automatic alarm reporting system // Makary William E. // American Telephone & Telegraph | ||||
| PDF File 2739180.pdf | 963 kB | Shaun Ewing | Mar 20, 1956 00:00 |
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US-2739180-A // Message address intercommunicating telegraph system // Britt Horace J. // American Telephone & Telegraph | |||
| Version 1 (current) | 963 kB | Shaun Ewing | Mar 20, 1956 00:00 | US-2739180-A // Message address intercommunicating telegraph system // Britt Horace J. // American Telephone & Telegraph | ||||
| PDF File 2965713.pdf | 961 kB | Shaun Ewing | Dec 20, 1960 00:00 |
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US-2965713-A // Teletypewriter storage control system // Beyland Sidney W. // American Telephone & Telegraph | |||
| Version 1 (current) | 961 kB | Shaun Ewing | Dec 20, 1960 00:00 | US-2965713-A // Teletypewriter storage control system // Beyland Sidney W. // American Telephone & Telegraph | ||||
| PDF File 2357840.pdf | 957 kB | Shaun Ewing | Sept 12, 1944 00:00 |
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US-2357840-A // Regenerative telegraph repeater // Martin Wade B. // American Telephone & Telegraph | |||
| Version 1 (current) | 957 kB | Shaun Ewing | Sept 12, 1944 00:00 | US-2357840-A // Regenerative telegraph repeater // Martin Wade B. // American Telephone & Telegraph |
