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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2243911.pdf | 285 kB | Shaun Ewing | Jun 03, 1941 00:00 |
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US-2243911-A // Alternating current relay // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 285 kB | Shaun Ewing | Jun 03, 1941 00:00 | US-2243911-A // Alternating current relay // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2243851.pdf | 959 kB | Shaun Ewing | Jun 03, 1941 00:00 |
|
US-2243851-A // Wire line transmission // Booth Richard P. ; Odarenko Todes M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Jun 03, 1941 00:00 | US-2243851-A // Wire line transmission // Booth Richard P. ; Odarenko Todes M. // Bell Telephone Labor Inc | ||||
| PDF File 2243527.pdf | 1.21 MB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243527-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | May 27, 1941 00:00 | US-2243527-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2243526.pdf | 1.10 MB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243526-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | May 27, 1941 00:00 | US-2243526-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2243525.pdf | 798 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243525-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 798 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243525-A // Production of artificial speech // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2243426.pdf | 505 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243426-A // Ultra high frequency system // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 505 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243426-A // Ultra high frequency system // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2243399.pdf | 579 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243399-A // Contact operating device // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 579 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243399-A // Contact operating device // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2243215.pdf | 1.62 MB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243215-A // Regenerative impulse repeater // Large Wayne V. K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | May 27, 1941 00:00 | US-2243215-A // Regenerative impulse repeater // Large Wayne V. K. // Bell Telephone Labor Inc | ||||
| PDF File 2243214.pdf | 407 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243214-A // Frequency modulation receiver // Krauth Edwin A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 407 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243214-A // Frequency modulation receiver // Krauth Edwin A. // Bell Telephone Labor Inc | ||||
| PDF File 2243090.pdf | 737 kB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243090-A // Sound record // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | May 27, 1941 00:00 | US-2243090-A // Sound record // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2243089.pdf | 1.39 MB | Shaun Ewing | May 27, 1941 00:00 |
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US-2243089-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.39 MB | Shaun Ewing | May 27, 1941 00:00 | US-2243089-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2242878.pdf | 1.70 MB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242878-A // Design of broad band repeaters // Bode Hendrik W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.70 MB | Shaun Ewing | May 20, 1941 00:00 | US-2242878-A // Design of broad band repeaters // Bode Hendrik W. // Bell Telephone Labor Inc | ||||
| PDF File 2242791.pdf | 979 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242791-A // Radio receiving system // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 979 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242791-A // Radio receiving system // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2242776.pdf | 693 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242776-A // Telephone system // Clark John W. ; Schimpf Luther G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 693 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242776-A // Telephone system // Clark John W. ; Schimpf Luther G. // Bell Telephone Labor Inc | ||||
| PDF File 2242757.pdf | 568 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242757-A // Piezoelectric device // Romanow Frank F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 568 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242757-A // Piezoelectric device // Romanow Frank F. // Bell Telephone Labor Inc | ||||
| PDF File 2242756.pdf | 499 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242756-A // Piezoelectric device // Pope Thomas J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 499 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242756-A // Piezoelectric device // Pope Thomas J. // Bell Telephone Labor Inc | ||||
| PDF File 2242755.pdf | 600 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242755-A // Acoustic device // Pope Thomas J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 600 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242755-A // Acoustic device // Pope Thomas J. // Bell Telephone Labor Inc | ||||
| PDF File 2242640.pdf | 730 kB | Shaun Ewing | May 20, 1941 00:00 |
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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 2242397.pdf | 684 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242397-A // Telephone system // Kater Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 684 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242397-A // Telephone system // Kater Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2242324.pdf | 482 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242324-A // Testing device // Rea Wilton T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 482 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242324-A // Testing device // Rea Wilton T. // Bell Telephone Labor Inc |
