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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 4027104.pdf | 1.08 MB | Shaun Ewing | May 31, 1977 00:00 |
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US-4027104-A // Arrangement for automatically generating alternate telephone station identification codes // Levitt; Arthur Paul ; Oakley; Robert Vincent ; Patterson; Roy Earl // American Telephone And Telegraph Company | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | May 31, 1977 00:00 | US-4027104-A // Arrangement for automatically generating alternate telephone station identification codes // Levitt; Arthur Paul ; Oakley; Robert Vincent ; Patterson; Roy Earl // American Telephone And Telegraph Company | ||||
| PDF File 4020295.pdf | 489 kB | Shaun Ewing | Apr 26, 1977 00:00 |
|
US-4020295-A // Rotary dial restriction circuit // Vuotto; Edward Joseph // American Telephone And Telegraph Company | |||
| Version 1 (current) | 489 kB | Shaun Ewing | Apr 26, 1977 00:00 | US-4020295-A // Rotary dial restriction circuit // Vuotto; Edward Joseph // American Telephone And Telegraph Company | ||||
| PDF File 3980840.pdf | 764 kB | Shaun Ewing | Sept 14, 1976 00:00 |
|
US-3980840-A // Conductor identification arrangement for a cable restoration system // Koster; Frederick Henry // American Telephone And Telegraph Company | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Sept 14, 1976 00:00 | US-3980840-A // Conductor identification arrangement for a cable restoration system // Koster; Frederick Henry // American Telephone And Telegraph Company | ||||
| PDF File 3914561.pdf | 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 | |||
| 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 3912874.pdf | 1.98 MB | Shaun Ewing | Oct 14, 1975 00:00 |
|
US-3912874-A // Conference arrangement // Botterell; John Joseph ; Dayton; Robert Lewis ; Guyler; James Raymond // American Telephone & Telegraph | |||
| Version 1 (current) | 1.98 MB | Shaun Ewing | Oct 14, 1975 00:00 | US-3912874-A // Conference arrangement // Botterell; John Joseph ; Dayton; Robert Lewis ; Guyler; James Raymond // American Telephone & Telegraph | ||||
| PDF File 3721887.pdf | 393 kB | Shaun Ewing | Mar 20, 1973 00:00 |
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US-3721887-A // Battery protection circuit // Nickerson C,us // American Telephone & Telegraph | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Mar 20, 1973 00:00 | US-3721887-A // Battery protection circuit // Nickerson C,us // American Telephone & Telegraph | ||||
| PDF File 3478174.pdf | 554 kB | Shaun Ewing | Nov 11, 1969 00:00 |
|
US-3478174-A // Call distributing circuit utilizing sequential activation of station ringers // Donald A. Macleod ; George P. Maddock // American Telephone & Telegraph | |||
| Version 1 (current) | 554 kB | Shaun Ewing | Nov 11, 1969 00:00 | US-3478174-A // Call distributing circuit utilizing sequential activation of station ringers // Donald A. Macleod ; George P. Maddock // American Telephone & Telegraph | ||||
| PDF File 3456240.pdf | 2.55 MB | Shaun Ewing | Jul 15, 1969 00:00 |
|
US-3456240-A // Method and arrangement for signaling in a remote control system // Bruce C. Hays // American Telephone & Telegraph | |||
| Version 1 (current) | 2.55 MB | Shaun Ewing | Jul 15, 1969 00:00 | US-3456240-A // Method and arrangement for signaling in a remote control system // Bruce C. Hays // American Telephone & Telegraph | ||||
| PDF File 3418455.pdf | 944 kB | Shaun Ewing | Dec 24, 1968 00:00 |
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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 3398234.pdf | 3.22 MB | Shaun Ewing | Aug 20, 1968 00:00 |
|
US-3398234-A // Multiple address circuit // Thomas Robert L. // American Telephone & Telegraph | |||
| Version 1 (current) | 3.22 MB | Shaun Ewing | Aug 20, 1968 00:00 | US-3398234-A // Multiple address circuit // Thomas Robert L. // American Telephone & Telegraph | ||||
| PDF File 3393274.pdf | 297 kB | Shaun Ewing | Jul 16, 1968 00:00 |
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US-3393274-A // Subscriber loop and trunk loop range extension circuit // Ingraham Frank S. // American Telephone & Telegraph | |||
| Version 1 (current) | 297 kB | Shaun Ewing | Jul 16, 1968 00:00 | US-3393274-A // Subscriber loop and trunk loop range extension circuit // Ingraham Frank S. // American Telephone & Telegraph | ||||
| PDF File 3389234.pdf | 1.00 MB | Shaun Ewing | Jun 18, 1968 00:00 |
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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 3387091.pdf | 1.35 MB | Shaun Ewing | Jun 04, 1968 00:00 |
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US-3387091-A // Alarm system for telephone pay stations // Deiker Robert W. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jun 04, 1968 00:00 | US-3387091-A // Alarm system for telephone pay stations // Deiker Robert W. // American Telephone & Telegraph | ||||
| PDF File 3384717.pdf | 2.26 MB | Shaun Ewing | May 21, 1968 00:00 |
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US-3384717-A // Cordless dispatch telephone switching system having conferencing means // Coston Semer H. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.26 MB | Shaun Ewing | May 21, 1968 00:00 | US-3384717-A // Cordless dispatch telephone switching system having conferencing means // Coston Semer H. // American Telephone & Telegraph | ||||
| PDF File 3379838.pdf | 620 kB | Shaun Ewing | Apr 23, 1968 00:00 |
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US-3379838-A // Telephone dial tone delay measuring circuit // Jr. James W. Watkins, // American Telephone & Telegraph | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Apr 23, 1968 00:00 | US-3379838-A // Telephone dial tone delay measuring circuit // Jr. James W. Watkins, // American Telephone & Telegraph | ||||
| PDF File 3377441.pdf | 590 kB | Shaun Ewing | Apr 09, 1968 00:00 |
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US-3377441-A // Delay equalizer computer // Bomar Howard E. ; Cline Harry A. // American Telephone & Telegraph | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Apr 09, 1968 00:00 | US-3377441-A // Delay equalizer computer // Bomar Howard E. ; Cline Harry A. // American Telephone & Telegraph | ||||
| PDF File 3366880.pdf | 1.80 MB | Shaun Ewing | Jan 30, 1968 00:00 |
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US-3366880-A // Tone controlled wireless telephone extension system // Driver Joel P. // American Tele Extension Co | |||
| Version 1 (current) | 1.80 MB | Shaun Ewing | Jan 30, 1968 00:00 | US-3366880-A // Tone controlled wireless telephone extension system // Driver Joel P. // American Tele Extension Co | ||||
| PDF File 3362419.pdf | 328 kB | Shaun Ewing | Jan 09, 1968 00:00 |
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US-3362419-A // Cable splicing umbrella // Feyerherm Willard J. // American Telephone & Telegraph | |||
| Version 1 (current) | 328 kB | Shaun Ewing | Jan 09, 1968 00:00 | US-3362419-A // Cable splicing umbrella // Feyerherm Willard J. // American Telephone & Telegraph | ||||
| PDF File 3355556.pdf | 3.52 MB | Shaun Ewing | Nov 28, 1967 00:00 |
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US-3355556-A // Automatic mobile radio telephone switching system // Chaney Ralph A. // American Telephone & Telegraph | |||
| Version 1 (current) | 3.52 MB | Shaun Ewing | Nov 28, 1967 00:00 | US-3355556-A // Automatic mobile radio telephone switching system // Chaney Ralph A. // American Telephone & Telegraph | ||||
| PDF File 3347990.pdf | 1.25 MB | Shaun Ewing | Oct 17, 1967 00:00 |
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US-3347990-A // Stock quotation switching system utilizing calling rate detection means // Doyle James J. ; Sarka August J. ; Tancredi Frederick C. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Oct 17, 1967 00:00 | US-3347990-A // Stock quotation switching system utilizing calling rate detection means // Doyle James J. ; Sarka August J. ; Tancredi Frederick C. // American Telephone & Telegraph |
