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 2263320.pdf | 887 kB | Shaun Ewing | Nov 18, 1941 00:00 |
|
US-2263320-A // Power supply circuit employing electrical converters // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Nov 18, 1941 00:00 | US-2263320-A // Power supply circuit employing electrical converters // Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2263291.pdf | 1.22 MB | Shaun Ewing | Nov 18, 1941 00:00 |
|
US-2263291-A // Testing and recording system // Dowey Thomas L. ; Lovell Clarence A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Nov 18, 1941 00:00 | US-2263291-A // Testing and recording system // Dowey Thomas L. ; Lovell Clarence A. // Bell Telephone Labor Inc | ||||
| PDF File 2262957.pdf | 765 kB | Shaun Ewing | Nov 18, 1941 00:00 |
|
US-2262957-A // Signaling system // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Nov 18, 1941 00:00 | US-2262957-A // Signaling system // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2262947.pdf | 2.50 MB | Shaun Ewing | Nov 18, 1941 00:00 |
|
US-2262947-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.50 MB | Shaun Ewing | Nov 18, 1941 00:00 | US-2262947-A // Telephone system // Korn Franklin A. // Bell Telephone Labor Inc | ||||
| PDF File 2262945.pdf | 475 kB | Shaun Ewing | Nov 18, 1941 00:00 |
|
US-2262945-A // Frequency modulation receiver // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Nov 18, 1941 00:00 | US-2262945-A // Frequency modulation receiver // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2262595.pdf | 2.00 MB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262595-A // Telephone system // Walters James N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.00 MB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262595-A // Telephone system // Walters James N. // Bell Telephone Labor Inc | ||||
| PDF File 2262584.pdf | 1.24 MB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262584-A // Scanning apparatus // Herriott William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.24 MB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262584-A // Scanning apparatus // Herriott William // Bell Telephone Labor Inc | ||||
| PDF File 2262571.pdf | 800 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262571-A // Telephone station circuit // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 800 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262571-A // Telephone station circuit // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2262149.pdf | 640 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262149-A // Volume control circuit for oscillators // Slonczewski Thaddeus // Bell Telephone Labor Inc | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262149-A // Volume control circuit for oscillators // Slonczewski Thaddeus // Bell Telephone Labor Inc | ||||
| PDF File 2262140.pdf | 387 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262140-A // Lock // Harvey William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 387 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262140-A // Lock // Harvey William H. // Bell Telephone Labor Inc | ||||
| PDF File 2262020.pdf | 851 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262020-A // Frequency stabilization at ultrahigh frequencies // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 851 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262020-A // Frequency stabilization at ultrahigh frequencies // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2262014.pdf | 771 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2262014-A // Teletypewriter transmitting and receiving system // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 771 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2262014-A // Teletypewriter transmitting and receiving system // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2261961.pdf | 772 kB | Shaun Ewing | Nov 11, 1941 00:00 |
|
US-2261961-A // Attenuator device // Christensen Carl J. ; Roosbroeck Willy W. Van // Bell Telephone Labor Inc | |||
| Version 1 (current) | 772 kB | Shaun Ewing | Nov 11, 1941 00:00 | US-2261961-A // Attenuator device // Christensen Carl J. ; Roosbroeck Willy W. Van // Bell Telephone Labor Inc | ||||
| PDF File 2261879.pdf | 474 kB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261879-A // High frequency by-pass arrangement // Higgins William H. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261879-A // High frequency by-pass arrangement // Higgins William H. C. // 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 2261620.pdf | 1.16 MB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261620-A // Telephone ringing system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261620-A // Telephone ringing system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2261613.pdf | 1.47 MB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261613-A // Deep-sea apparatus housing // Bishop Walter M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.47 MB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261613-A // Deep-sea apparatus housing // Bishop Walter M. // Bell Telephone Labor Inc | ||||
| PDF File 2261573.pdf | 793 kB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261573-A // Noise level indicator // Stryker Norman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 793 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261573-A // Noise level indicator // Stryker Norman R. // Bell Telephone Labor Inc | ||||
| PDF File 2261553.pdf | 252 kB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261553-A // Magnetic contact alloy // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261553-A // Magnetic contact alloy // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2261419.pdf | 254 kB | Shaun Ewing | Nov 04, 1941 00:00 |
|
US-2261419-A // Electric switch // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 254 kB | Shaun Ewing | Nov 04, 1941 00:00 | US-2261419-A // Electric switch // Shann Oscar A. // Bell Telephone Labor Inc |
