Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 3105882.pdf | 575 kB | Shaun Ewing | Oct 01, 1963 00:00 |
|
US-3105882-A // Pressure transducer testing circuit // Meyer William C. // American Telephone & Telegraph | |||
| Version 1 (current) | 575 kB | Shaun Ewing | Oct 01, 1963 00:00 | US-3105882-A // Pressure transducer testing circuit // Meyer William C. // 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 3111561.pdf | 2.30 MB | Shaun Ewing | Nov 19, 1963 00:00 |
|
US-3111561-A // Intercept equipment // Dunning Sanford F. // American Telephone & Telegraph | |||
| Version 1 (current) | 2.30 MB | Shaun Ewing | Nov 19, 1963 00:00 | US-3111561-A // Intercept equipment // Dunning Sanford F. // American Telephone & Telegraph | ||||
| 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 3115552.pdf | 1.65 MB | Shaun Ewing | Dec 24, 1963 00:00 |
|
US-3115552-A // Telephone switching system // Fulwiler Edward R. ; Hayes Richard L. ; Masucci Eugene D. ; Wilson Warren M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.65 MB | Shaun Ewing | Dec 24, 1963 00:00 | US-3115552-A // Telephone switching system // Fulwiler Edward R. ; Hayes Richard L. ; Masucci Eugene D. ; Wilson Warren M. // American Telephone & Telegraph | ||||
| PDF File 3122611.pdf | 1.18 MB | Shaun Ewing | Feb 25, 1964 00:00 |
|
US-3122611-A // Rate determining equipment // Wheeler Charles L. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Feb 25, 1964 00:00 | US-3122611-A // Rate determining equipment // Wheeler Charles L. // American Telephone & Telegraph | ||||
| PDF File 3135833.pdf | 1.23 MB | Shaun Ewing | Jun 02, 1964 00:00 |
|
US-3135833-A // Transmission loss pad control system // Macleod Donald A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Jun 02, 1964 00:00 | US-3135833-A // Transmission loss pad control system // Macleod Donald A. // 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 3142728.pdf | 536 kB | Shaun Ewing | Jul 28, 1964 00:00 |
|
US-3142728-A // Call distributing circuit // Macleod Donald A. // American Telephone & Telegraph | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Jul 28, 1964 00:00 | US-3142728-A // Call distributing circuit // Macleod Donald A. // American Telephone & Telegraph | ||||
| PDF File 3144707.pdf | 196 kB | Shaun Ewing | Aug 18, 1964 00:00 |
|
US-3144707-A // Dismantling tool // Hiestand Irvin H. // American Telephone & Telegraph | |||
| Version 1 (current) | 196 kB | Shaun Ewing | Aug 18, 1964 00:00 | US-3144707-A // Dismantling tool // Hiestand Irvin H. // American Telephone & Telegraph | ||||
| PDF File 3156772.pdf | 1.07 MB | Shaun Ewing | Nov 10, 1964 00:00 |
|
US-3156772-A // Telephone message unit recording system // Freericks Lambert ; Kukasch Herbert L. ; Luzon Thomas B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Nov 10, 1964 00:00 | US-3156772-A // Telephone message unit recording system // Freericks Lambert ; Kukasch Herbert L. ; Luzon Thomas B. // American Telephone & Telegraph | ||||
| PDF File 3156773.pdf | 1.25 MB | Shaun Ewing | Nov 10, 1964 00:00 |
|
US-3156773-A // Telephone message unit recording system // Freericks Lambert ; Kukasch Herbert L. ; Luzon Thomas B. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Nov 10, 1964 00:00 | US-3156773-A // Telephone message unit recording system // Freericks Lambert ; Kukasch Herbert L. ; Luzon Thomas B. // American Telephone & Telegraph | ||||
| PDF File 3179750.pdf | 1.27 MB | Shaun Ewing | Apr 20, 1965 00:00 |
|
US-3179750-A // Pbx in-dialing circuit // Reilly William M. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Apr 20, 1965 00:00 | US-3179750-A // Pbx in-dialing circuit // Reilly William M. // American Telephone & Telegraph | ||||
| PDF File 3179931.pdf | 1.99 MB | Shaun Ewing | Apr 20, 1965 00:00 |
|
US-3179931-A // Alarm transfer system // Middaugh Jack K. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.99 MB | Shaun Ewing | Apr 20, 1965 00:00 | US-3179931-A // Alarm transfer system // Middaugh Jack K. // American Telephone & Telegraph | ||||
| PDF File 3181062.pdf | 440 kB | Shaun Ewing | Apr 27, 1965 00:00 |
|
US-3181062-A // Two-wire test clip with integral capacitive probe // Scarlett Reece M. // American Telephone & Telegraph | |||
| Version 1 (current) | 440 kB | Shaun Ewing | Apr 27, 1965 00:00 | US-3181062-A // Two-wire test clip with integral capacitive probe // Scarlett Reece M. // American Telephone & Telegraph | ||||
| PDF File 3185773.pdf | 3.95 MB | Shaun Ewing | May 25, 1965 00:00 |
|
US-3185773-A // Switching system channel selection // Engeman John C. ; Jr. Leo Fring, ; Hartmann George J. // American Telephone & Telegraph | |||
| Version 1 (current) | 3.95 MB | Shaun Ewing | May 25, 1965 00:00 | US-3185773-A // Switching system channel selection // Engeman John C. ; Jr. Leo Fring, ; Hartmann George J. // American Telephone & Telegraph | ||||
| PDF File 3214523.pdf | 1.56 MB | Shaun Ewing | Oct 26, 1965 00:00 |
|
US-3214523-A // Automatic telephone system with camp-on facilities // Hess Bobby L. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.56 MB | Shaun Ewing | Oct 26, 1965 00:00 | US-3214523-A // Automatic telephone system with camp-on facilities // Hess Bobby L. // American Telephone & Telegraph | ||||
| PDF File 3226088.pdf | 528 kB | Shaun Ewing | Dec 28, 1965 00:00 |
|
US-3226088-A // Apparatus for pulling cable through underground conduit // Habighorst Henry J. // American Telephone & Telegraph | |||
| Version 1 (current) | 528 kB | Shaun Ewing | Dec 28, 1965 00:00 | US-3226088-A // Apparatus for pulling cable through underground conduit // Habighorst Henry J. // American Telephone & Telegraph | ||||
| PDF File 3246082.pdf | 1.16 MB | Shaun Ewing | Apr 12, 1966 00:00 |
|
US-3246082-A // Telephone hold program system // Levy Alfred // Levy Alfred | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Apr 12, 1966 00:00 | US-3246082-A // Telephone hold program system // Levy Alfred // Levy Alfred | ||||
| PDF File 3250859.pdf | 11.90 MB | Shaun Ewing | May 10, 1966 00:00 |
|
US-3250859-A // Universal line concentrator // Fisher Richard G. // American Telephone & Telegraph | |||
| Version 1 (current) | 11.90 MB | Shaun Ewing | May 10, 1966 00:00 | US-3250859-A // Universal line concentrator // Fisher Richard G. // American Telephone & Telegraph |
