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 2314132.pdf | 731 kB | Shaun Ewing | Mar 16, 1943 00:00 |
|
US-2314132-A // High frequency amplifier // Doherty William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 731 kB | Shaun Ewing | Mar 16, 1943 00:00 | US-2314132-A // High frequency amplifier // Doherty William H. // Bell Telephone Labor Inc | ||||
| PDF File 2276864.pdf | 730 kB | Shaun Ewing | Mar 17, 1942 00:00 |
|
US-2276864-A // Resistance device // Pearson Gerald L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 730 kB | Shaun Ewing | Mar 17, 1942 00:00 | US-2276864-A // Resistance device // Pearson Gerald L. // Bell Telephone Labor Inc | ||||
| PDF File 2242640.pdf | 730 kB | Shaun Ewing | May 20, 1941 00:00 |
|
US-2242640-A // Telephone system // Bellows Brian C. ; Eagon Lloyd L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 730 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242640-A // Telephone system // Bellows Brian C. ; Eagon Lloyd L. // Bell Telephone Labor Inc | ||||
| PDF File 2375272.pdf | 729 kB | Shaun Ewing | May 08, 1945 00:00 |
|
US-2375272-A // Electric cable // Barry Joseph F. ; Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 729 kB | Shaun Ewing | May 08, 1945 00:00 | US-2375272-A // Electric cable // Barry Joseph F. ; Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2326871.pdf | 729 kB | Shaun Ewing | Aug 17, 1943 00:00 |
|
US-2326871-A // Gain control // Mallinckrodt Charles O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 729 kB | Shaun Ewing | Aug 17, 1943 00:00 | US-2326871-A // Gain control // Mallinckrodt Charles O. // Bell Telephone Labor Inc | ||||
| PDF File 2261628.pdf | 728 kB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261628-A // Stereophonic reproduction by carrier wave transmission // Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261628-A // Stereophonic reproduction by carrier wave transmission // Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2273193.pdf | 728 kB | Shaun Ewing | Feb 17, 1942 00:00 |
|
US-2273193-A // Wave transmission and shaping // Helsing Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 728 kB | Shaun Ewing | Feb 17, 1942 00:00 | US-2273193-A // Wave transmission and shaping // Helsing Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2299264.pdf | 725 kB | Shaun Ewing | Oct 20, 1942 00:00 |
|
US-2299264-A // Telegraph signal repeater // Wilkerson Jefferson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Oct 20, 1942 00:00 | US-2299264-A // Telegraph signal repeater // Wilkerson Jefferson R. // Bell Telephone Labor Inc | ||||
| PDF File 2250528.pdf | 725 kB | Shaun Ewing | Jul 29, 1941 00:00 |
|
US-2250528-A // Signal translating system and apparatus // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Jul 29, 1941 00:00 | US-2250528-A // Signal translating system and apparatus // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2276954.pdf | 725 kB | Shaun Ewing | Mar 17, 1942 00:00 |
|
US-2276954-A // Call transmitter // Fritts Morris ; Voos Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Mar 17, 1942 00:00 | US-2276954-A // Call transmitter // Fritts Morris ; Voos Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2265224.pdf | 725 kB | Shaun Ewing | Dec 09, 1941 00:00 |
|
US-2265224-A // Relay circuit // Burton Everett T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 725 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265224-A // Relay circuit // Burton Everett T. // Bell Telephone Labor Inc | ||||
| PDF File 2268165.pdf | 724 kB | Shaun Ewing | Dec 30, 1941 00:00 |
|
US-2268165-A // Electron discharge device // Parker Carlyle V. ; Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Dec 30, 1941 00:00 | US-2268165-A // Electron discharge device // Parker Carlyle V. ; Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2339091.pdf | 724 kB | Shaun Ewing | Jan 11, 1944 00:00 |
|
US-2339091-A // Stabilized halogenated compound and apparatus containing it // Mclean David A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 724 kB | Shaun Ewing | Jan 11, 1944 00:00 | US-2339091-A // Stabilized halogenated compound and apparatus containing it // Mclean David A. // Bell Telephone Labor Inc | ||||
| PDF File 2342594.pdf | 723 kB | Shaun Ewing | Feb 22, 1944 00:00 |
|
US-2342594-A // Electrowelding apparatus // Mesch Orwar S. A. ; Pritchard William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342594-A // Electrowelding apparatus // Mesch Orwar S. A. ; Pritchard William T. // Bell Telephone Labor Inc | ||||
| PDF File 2302587.pdf | 723 kB | Shaun Ewing | Nov 17, 1942 00:00 |
|
US-2302587-A // Telephone trunking system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 723 kB | Shaun Ewing | Nov 17, 1942 00:00 | US-2302587-A // Telephone trunking system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 2340742.pdf | 721 kB | Shaun Ewing | Feb 01, 1944 00:00 |
|
US-2340742-A // Space discharge apparatus and circuit // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Feb 01, 1944 00:00 | US-2340742-A // Space discharge apparatus and circuit // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2337965.pdf | 720 kB | Shaun Ewing | Dec 28, 1943 00:00 |
|
US-2337965-A // Coupling network // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Dec 28, 1943 00:00 | US-2337965-A // Coupling network // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2229090.pdf | 720 kB | Shaun Ewing | Jan 21, 1941 00:00 |
|
US-2229090-A // Switching of spare repeater sections // Kinzer John P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 720 kB | Shaun Ewing | Jan 21, 1941 00:00 | US-2229090-A // Switching of spare repeater sections // Kinzer John P. // Bell Telephone Labor Inc | ||||
| PDF File 2341029.pdf | 719 kB | Shaun Ewing | Feb 08, 1944 00:00 |
|
US-2341029-A // Switching mechanism // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Feb 08, 1944 00:00 | US-2341029-A // Switching mechanism // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2297672.pdf | 719 kB | Shaun Ewing | Sept 29, 1942 00:00 |
|
US-2297672-A // Voltage regulator // Stevens Bruce E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 719 kB | Shaun Ewing | Sept 29, 1942 00:00 | US-2297672-A // Voltage regulator // Stevens Bruce E. // Bell Telephone Labor Inc |
