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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1841489.pdf | 437 kB | Shaun Ewing | Jan 19, 1932 00:00 |
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US-1841489-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jan 19, 1932 00:00 | US-1841489-A // Oscillation generator // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 1874242.pdf | 436 kB | Shaun Ewing | Aug 30, 1932 00:00 |
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US-1874242-A // Inductance network // Christopher Arthur J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874242-A // Inductance network // Christopher Arthur J. // Bell Telephone Labor Inc | ||||
| PDF File 1937115.pdf | 436 kB | Shaun Ewing | Nov 28, 1933 00:00 |
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US-1937115-A // Testing machine // Hayford Walter S. ; Townsend John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Nov 28, 1933 00:00 | US-1937115-A // Testing machine // Hayford Walter S. ; Townsend John R. // Bell Telephone Labor Inc | ||||
| PDF File 1837365.pdf | 436 kB | Shaun Ewing | Dec 22, 1931 00:00 |
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US-1837365-A // Light sensitive device // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 436 kB | Shaun Ewing | Dec 22, 1931 00:00 | US-1837365-A // Light sensitive device // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2208144.pdf | 435 kB | Shaun Ewing | Jul 16, 1940 00:00 |
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US-2208144-A // Variable gain feedback amplifier // West Julian M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Jul 16, 1940 00:00 | US-2208144-A // Variable gain feedback amplifier // West Julian M. // Bell Telephone Labor Inc | ||||
| PDF File 2147729.pdf | 435 kB | Shaun Ewing | Feb 21, 1939 00:00 |
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US-2147729-A // Electric metering device // Wurmser Alphons V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Feb 21, 1939 00:00 | US-2147729-A // Electric metering device // Wurmser Alphons V. // Bell Telephone Labor Inc | ||||
| PDF File 1881810.pdf | 435 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1881810-A // Frequency control method and system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1881810-A // Frequency control method and system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2022052.pdf | 434 kB | Shaun Ewing | Nov 26, 1935 00:00 |
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US-2022052-A // Belt drive // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Nov 26, 1935 00:00 | US-2022052-A // Belt drive // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1985046.pdf | 434 kB | Shaun Ewing | Dec 18, 1934 00:00 |
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US-1985046-A // Electrical wave production // Marrison Warren A. ; Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Dec 18, 1934 00:00 | US-1985046-A // Electrical wave production // Marrison Warren A. ; Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2055656.pdf | 433 kB | Shaun Ewing | Sept 29, 1936 00:00 |
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US-2055656-A // Switching device // Ferguson James G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Sept 29, 1936 00:00 | US-2055656-A // Switching device // Ferguson James G. // Bell Telephone Labor Inc | ||||
| PDF File 1963751.pdf | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 |
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US-1963751-A // Negative resistance device // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 | US-1963751-A // Negative resistance device // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 1792637.pdf | 433 kB | Shaun Ewing | Feb 17, 1931 00:00 |
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US-1792637-A // Vibration-transmission system // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 17, 1931 00:00 | US-1792637-A // Vibration-transmission system // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1948941.pdf | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 |
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US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 27, 1934 00:00 | US-1948941-A // Electrooptical system // Olpin Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 1866274.pdf | 433 kB | Shaun Ewing | Jul 05, 1932 00:00 |
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US-1866274-A // Resilient support // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Jul 05, 1932 00:00 | US-1866274-A // Resilient support // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2014534.pdf | 433 kB | Shaun Ewing | Sept 17, 1935 00:00 |
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US-2014534-A // Alternating current generator // Lutomirski Karel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Sept 17, 1935 00:00 | US-2014534-A // Alternating current generator // Lutomirski Karel // Bell Telephone Labor Inc | ||||
| PDF File 1963754.pdf | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 |
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US-1963754-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Jun 19, 1934 00:00 | US-1963754-A // Telephone system // Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2030416.pdf | 433 kB | Shaun Ewing | Feb 11, 1936 00:00 |
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US-2030416-A // Telephone system // Vibbard Edward L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Feb 11, 1936 00:00 | US-2030416-A // Telephone system // Vibbard Edward L. // Bell Telephone Labor Inc | ||||
| PDF File 1867368.pdf | 432 kB | Shaun Ewing | Jul 12, 1932 00:00 |
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US-1867368-A // Testing system // Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867368-A // Testing system // Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 1938698.pdf | 432 kB | Shaun Ewing | Dec 12, 1933 00:00 |
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US-1938698-A // Coin controlled apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1938698-A // Coin controlled apparatus // Hoyt Frederick A. // Bell Telephone Labor Inc | ||||
| PDF File 2196278.pdf | 432 kB | Shaun Ewing | Apr 09, 1940 00:00 |
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US-2196278-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Apr 09, 1940 00:00 | US-2196278-A // Electron discharge apparatus // Teal Gordon K. // Bell Telephone Labor Inc |
