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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2234576.pdf | 409 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234576-A // Casing for electrical apparatus // Ranges John E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234576-A // Casing for electrical apparatus // Ranges John E. // Bell Telephone Labor Inc | ||||
| PDF File 2234213.pdf | 302 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234213-A // Tone signal source for telephone signaling systems // Wrathall Leishman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234213-A // Tone signal source for telephone signaling systems // Wrathall Leishman R. // Bell Telephone Labor Inc | ||||
| PDF File 2233886.pdf | 397 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233886-A // Acoustic device // Cowley Greer W. ; Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233886-A // Acoustic device // Cowley Greer W. ; Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2233884.pdf | 269 kB | Shaun Ewing | Mar 04, 1941 00:00 |
|
US-2233884-A // Thermal switch // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 269 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233884-A // Thermal switch // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2233876.pdf | 2.35 MB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233876-A // Electrooptical system // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.35 MB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233876-A // Electrooptical system // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2233860.pdf | 710 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233860-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 710 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233860-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | ||||
| PDF File 2233848.pdf | 298 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233848-A // Audiphone // Polk Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233848-A // Audiphone // Polk Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2233621.pdf | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2233487.pdf | 889 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233487-A // Gain control circuits // Robertson Donald D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 889 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233487-A // Gain control circuits // Robertson Donald D. // Bell Telephone Labor Inc | ||||
| PDF File 2233473.pdf | 514 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233473-A // Reduction of modulation // Dixon John T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 514 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233473-A // Reduction of modulation // Dixon John T. // Bell Telephone Labor Inc | ||||
| PDF File 2233384.pdf | 843 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2233384-A // Radio receiver // Feldman Carl B. H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 843 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2233384-A // Radio receiver // Feldman Carl B. H. // Bell Telephone Labor Inc | ||||
| PDF File 2233282.pdf | 1.42 MB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2233282-A // Telephone system // Buchanan Russell B. ; Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.42 MB | Shaun Ewing | Feb 25, 1941 00:00 | US-2233282-A // Telephone system // Buchanan Russell B. ; Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2233107.pdf | 589 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2233107-A // Wire guide and terminal connector // Miller Victor F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2233107-A // Wire guide and terminal connector // Miller Victor F. // Bell Telephone Labor Inc | ||||
| PDF File 2233061.pdf | 883 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2233061-A // Control of distortion // Peterson Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 883 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2233061-A // Control of distortion // Peterson Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2233056.pdf | 842 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2233056-A // Teletypewriter switching system // Large Wayne V. K. ; Singer Fred J. ; White Charles // Bell Telephone Labor Inc | |||
| Version 1 (current) | 842 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2233056-A // Teletypewriter switching system // Large Wayne V. K. ; Singer Fred J. ; White Charles // Bell Telephone Labor Inc | ||||
| PDF File 2232866.pdf | 704 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2232866-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 704 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2232866-A // Signaling system // Pruden Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2232858.pdf | 645 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2232858-A // Frequency meter // Lane Richard F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 645 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2232858-A // Frequency meter // Lane Richard F. // Bell Telephone Labor Inc | ||||
| PDF File 2232801.pdf | 871 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2232801-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 871 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2232801-A // Signaling system // Ressler Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2232792.pdf | 941 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2232792-A // Method of and apparatus for measuring impedances // Levin Samuel A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 941 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2232792-A // Method of and apparatus for measuring impedances // Levin Samuel A. // Bell Telephone Labor Inc | ||||
| PDF File 2232779.pdf | 150 kB | Shaun Ewing | Feb 25, 1941 00:00 |
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US-2232779-A // Method for testing bone conduction // Fletcher Harvey // Bell Telephone Labor Inc | |||
| Version 1 (current) | 150 kB | Shaun Ewing | Feb 25, 1941 00:00 | US-2232779-A // Method for testing bone conduction // Fletcher Harvey // Bell Telephone Labor Inc |
