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 2287408.pdf | 932 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287408-A // Modulating and compensating apparatus // Jr. Millard W. Baldwin, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 932 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287408-A // Modulating and compensating apparatus // Jr. Millard W. Baldwin, // Bell Telephone Labor Inc | ||||
| PDF File 2287243.pdf | 402 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287243-A // Electrical shielding apparatus // Hebert Charles A. ; Wier Anthony J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287243-A // Electrical shielding apparatus // Hebert Charles A. ; Wier Anthony J. // Bell Telephone Labor Inc | ||||
| PDF File 2287176.pdf | 555 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287176-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 555 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287176-A // Telephone coin collector // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2287174.pdf | 359 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287174-A // Relative phase measuring circuit and method // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287174-A // Relative phase measuring circuit and method // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2287170.pdf | 435 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287170-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287170-A // Inductance device // Ganz Albert G. // Bell Telephone Labor Inc | ||||
| PDF File 2287163.pdf | 1.54 MB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287163-A // Seal and joint for deep-sea cables // Bishop Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.54 MB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287163-A // Seal and joint for deep-sea cables // Bishop Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2287127.pdf | 427 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287127-A // Signaling secrecy system // Phillips George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 427 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287127-A // Signaling secrecy system // Phillips George M. // Bell Telephone Labor Inc | ||||
| PDF File 2287105.pdf | 1.13 MB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287105-A // Electronic organ // Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287105-A // Electronic organ // Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2287077.pdf | 829 kB | Shaun Ewing | Jun 23, 1942 00:00 |
|
US-2287077-A // Volume range control in signal transmission systems // Abraham Leonard G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287077-A // Volume range control in signal transmission systems // Abraham Leonard G. // Bell Telephone Labor Inc | ||||
| PDF File 2286839.pdf | 1.35 MB | Shaun Ewing | Jun 16, 1942 00:00 |
|
US-2286839-A // Directive antenna system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jun 16, 1942 00:00 | US-2286839-A // Directive antenna system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | ||||
| PDF File 2286142.pdf | 1.34 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2286142-A // Guard circuit // Lamberty Frederick R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286142-A // Guard circuit // Lamberty Frederick R. // Bell Telephone Labor Inc | ||||
| PDF File 2286135.pdf | 335 kB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2286135-A // Impulse mechanism // Kater Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286135-A // Impulse mechanism // Kater Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2286072.pdf | 1.22 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2286072-A // Treatment of speech waves for transmission or recording // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286072-A // Treatment of speech waves for transmission or recording // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2285985.pdf | 1.19 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285985-A // Step-by-step operated crossbar switch // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285985-A // Step-by-step operated crossbar switch // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 2285972.pdf | 1.08 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285972-A // Telephone system // Holden William H. T. ; Hubbard Francis A. ; Martin William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285972-A // Telephone system // Holden William H. T. ; Hubbard Francis A. ; Martin William H. // Bell Telephone Labor Inc | ||||
| PDF File 2285912.pdf | 380 kB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285912-A // Electric unbalance indicator // Monte Robert W. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285912-A // Electric unbalance indicator // Monte Robert W. De // Bell Telephone Labor Inc | ||||
| PDF File 2285908.pdf | 674 kB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285908-A // Sender control system // Davis Richard C. ; Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 674 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285908-A // Sender control system // Davis Richard C. ; Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2285832.pdf | 1.21 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285832-A // Feedback amplifier // Perkins Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285832-A // Feedback amplifier // Perkins Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2285815.pdf | 1.10 MB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285815-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285815-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2285796.pdf | 608 kB | Shaun Ewing | Jun 09, 1942 00:00 |
|
US-2285796-A // Gaseous discharge device // Beardow George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285796-A // Gaseous discharge device // Beardow George M. // Bell Telephone Labor Inc |
