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 2520534.pdf | 1.95 MB | Shaun Ewing | Aug 29, 1950 00:00 |
|
US-2520534-A // Multiplex pulse repeater // Edson James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.95 MB | Shaun Ewing | Aug 29, 1950 00:00 | US-2520534-A // Multiplex pulse repeater // Edson James O. // Bell Telephone Labor Inc | ||||
| PDF File 2520016.pdf | 1.49 MB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2520016-A // Mounting of electrodes in electron discharge devices and method of fabrication // Ronci Victor L. ; West John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2520016-A // Mounting of electrodes in electron discharge devices and method of fabrication // Ronci Victor L. ; West John W. // Bell Telephone Labor Inc | ||||
| PDF File 2520008.pdf | 951 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2520008-A // Radio marker system // King Archie P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 951 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2520008-A // Radio marker system // King Archie P. // Bell Telephone Labor Inc | ||||
| PDF File 2520007.pdf | 908 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2520007-A // Testing circuit for carrier communication system with automatic reset timer // Hochgraf Lester // Bell Telephone Labor Inc | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2520007-A // Testing circuit for carrier communication system with automatic reset timer // Hochgraf Lester // Bell Telephone Labor Inc | ||||
| PDF File 2519698.pdf | 4.72 MB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519698-A // Ground trainer for aircraft personnel // Pearsall Frank M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 4.72 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519698-A // Ground trainer for aircraft personnel // Pearsall Frank M. // Bell Telephone Labor Inc | ||||
| PDF File 2519688.pdf | 1.27 MB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519688-A // Signal code translator // Mitchell Doren // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519688-A // Signal code translator // Mitchell Doren // Bell Telephone Labor Inc | ||||
| PDF File 2519670.pdf | 1.84 MB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519670-A // Power plant charge control circuit // Langabeer Harvey T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.84 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519670-A // Power plant charge control circuit // Langabeer Harvey T. // Bell Telephone Labor Inc | ||||
| PDF File 2519667.pdf | 733 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519667-A // Motor control circuit // Jr. Walter Koenig, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 733 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519667-A // Motor control circuit // Jr. Walter Koenig, // Bell Telephone Labor Inc | ||||
| PDF File 2519495.pdf | 469 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519495-A // Magnetostrictive core and method of making it // Nesbitt Ethan A. ; Williams Howell J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519495-A // Magnetostrictive core and method of making it // Nesbitt Ethan A. ; Williams Howell J. // Bell Telephone Labor Inc | ||||
| PDF File 2519463.pdf | 769 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519463-A // Mercury type relay // Harrison Henry C. // Bell Telephone Lab Incorproate | |||
| Version 1 (current) | 769 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519463-A // Mercury type relay // Harrison Henry C. // Bell Telephone Lab Incorproate | ||||
| PDF File 2519426.pdf | 1.03 MB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519426-A // Alternating current control device // Grant Dwight W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519426-A // Alternating current control device // Grant Dwight W. // Bell Telephone Labor Inc | ||||
| PDF File 2519425.pdf | 934 kB | Shaun Ewing | Aug 22, 1950 00:00 |
|
US-2519425-A // Alternating current control device // Barlow Dick S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 934 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2519425-A // Alternating current control device // Barlow Dick S. // Bell Telephone Labor Inc | ||||
| PDF File 2519287.pdf | 555 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519287-A // Multiunit calling group control circuit for preventing overload of current at switchboards // Robb Theodore D. ; Shiel John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 555 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519287-A // Multiunit calling group control circuit for preventing overload of current at switchboards // Robb Theodore D. ; Shiel John B. // Bell Telephone Labor Inc | ||||
| PDF File 2519280.pdf | 332 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519280-A // Method and composition for making ceramic articles // Potter John F. ; Rigterink Merlc D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 332 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519280-A // Method and composition for making ceramic articles // Potter John F. ; Rigterink Merlc D. // Bell Telephone Labor Inc | ||||
| PDF File 2519278.pdf | 859 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519278-A // Pulse-actuated circuit // Olivey Bernard M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 859 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519278-A // Pulse-actuated circuit // Olivey Bernard M. // Bell Telephone Labor Inc | ||||
| PDF File 2519277.pdf | 572 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519277-A // Magnetostrictive device and alloy and method of producing them // Nesbitt Ethan A. ; Williams Howell J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 572 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519277-A // Magnetostrictive device and alloy and method of producing them // Nesbitt Ethan A. ; Williams Howell J. // Bell Telephone Labor Inc | ||||
| PDF File 2519262.pdf | 854 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519262-A // Differential analyzer // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 854 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519262-A // Differential analyzer // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2519247.pdf | 629 kB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519247-A // Timing circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519247-A // Timing circuit // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2519233.pdf | 2.66 MB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2519233-A // Aircraft trainer // Davis Richard C. ; Bohman Vincent F. ; Germanton Charles E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.66 MB | Shaun Ewing | Aug 15, 1950 00:00 | US-2519233-A // Aircraft trainer // Davis Richard C. ; Bohman Vincent F. ; Germanton Charles E. // Bell Telephone Labor Inc | ||||
| PDF File 2518564.pdf | 1.44 MB | Shaun Ewing | Aug 15, 1950 00:00 |
|
US-2518564-A // Antenna auxiliary control circuit for directional beam scanning systems // Nebel Charles N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.44 MB | Shaun Ewing | Aug 15, 1950 00:00 | US-2518564-A // Antenna auxiliary control circuit for directional beam scanning systems // Nebel Charles N. // Bell Telephone Labor Inc |
