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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2450516.pdf | 3.02 MB | Shaun Ewing | Oct 05, 1948 00:00 |
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US-2450516-A // Telemetric data transmission system // Kinkead Rita Smith ; Phelps Walter A. ; Smith Edward M. ; Singer Fred J. ; Melhuish Lawrence E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.02 MB | Shaun Ewing | Oct 05, 1948 00:00 | US-2450516-A // Telemetric data transmission system // Kinkead Rita Smith ; Phelps Walter A. ; Smith Edward M. ; Singer Fred J. ; Melhuish Lawrence E. // Bell Telephone Labor Inc | ||||
| PDF File 2450499.pdf | 252 kB | Shaun Ewing | Oct 05, 1948 00:00 |
|
US-2450499-A // Circuit maker and breaker // Brown John T. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 252 kB | Shaun Ewing | Oct 05, 1948 00:00 | US-2450499-A // Circuit maker and breaker // Brown John T. L. // Bell Telephone Labor Inc | ||||
| PDF File 2450434.pdf | 877 kB | Shaun Ewing | Oct 05, 1948 00:00 |
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US-2450434-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 877 kB | Shaun Ewing | Oct 05, 1948 00:00 | US-2450434-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2450011.pdf | 792 kB | Shaun Ewing | Sept 28, 1948 00:00 |
|
US-2450011-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 792 kB | Shaun Ewing | Sept 28, 1948 00:00 | US-2450011-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2450010.pdf | 2.16 MB | Shaun Ewing | Sept 28, 1948 00:00 |
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US-2450010-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.16 MB | Shaun Ewing | Sept 28, 1948 00:00 | US-2450010-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2449848.pdf | 1.38 MB | Shaun Ewing | Sept 21, 1948 00:00 |
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US-2449848-A // Pulse-actuated circuit // Hefele John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.38 MB | Shaun Ewing | Sept 21, 1948 00:00 | US-2449848-A // Pulse-actuated circuit // Hefele John R. // Bell Telephone Labor Inc | ||||
| PDF File 2449467.pdf | 3.56 MB | Shaun Ewing | Sept 14, 1948 00:00 |
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US-2449467-A // Communication system employing pulse code modulation // Goodall William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.56 MB | Shaun Ewing | Sept 14, 1948 00:00 | US-2449467-A // Communication system employing pulse code modulation // Goodall William M. // Bell Telephone Labor Inc | ||||
| PDF File 2449072.pdf | 1.36 MB | Shaun Ewing | Sept 14, 1948 00:00 |
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US-2449072-A // Wattmeter circuit // Houghton Edward W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.36 MB | Shaun Ewing | Sept 14, 1948 00:00 | US-2449072-A // Wattmeter circuit // Houghton Edward W. // Bell Telephone Labor Inc | ||||
| PDF File 2449057.pdf | 501 kB | Shaun Ewing | Sept 14, 1948 00:00 |
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US-2449057-A // Electrical testing device // Clayden Francis W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Sept 14, 1948 00:00 | US-2449057-A // Electrical testing device // Clayden Francis W. // Bell Telephone Labor Inc | ||||
| PDF File 2448623.pdf | 1.27 MB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448623-A // Duplex switch with leakage compensation // Rose Charles F. P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.27 MB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448623-A // Duplex switch with leakage compensation // Rose Charles F. P. // Bell Telephone Labor Inc | ||||
| PDF File 2448613.pdf | 607 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448613-A // Magnetic detector // Merrill Francis G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448613-A // Magnetic detector // Merrill Francis G. // Bell Telephone Labor Inc | ||||
| PDF File 2448609.pdf | 797 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448609-A // Composition comprising organic peroxide cured glycol-dicarboxylic acid polyester and red oxide of iron // Malm Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 797 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448609-A // Composition comprising organic peroxide cured glycol-dicarboxylic acid polyester and red oxide of iron // Malm Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2448593.pdf | 359 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448593-A // Flash and blast reducer // Heising Raymond A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 359 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448593-A // Flash and blast reducer // Heising Raymond A. // Bell Telephone Labor Inc | ||||
| PDF File 2448585.pdf | 1.14 MB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448585-A // Organic peroxide-curable and organic peroxide-cured synthetic polyester rubbers // Fuller Calvin S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.14 MB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448585-A // Organic peroxide-curable and organic peroxide-cured synthetic polyester rubbers // Fuller Calvin S. // Bell Telephone Labor Inc | ||||
| PDF File 2448584.pdf | 560 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448584-A // Cured polyester synthetic rubbers formed from disecondary glycols // Frosch Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 560 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448584-A // Cured polyester synthetic rubbers formed from disecondary glycols // Frosch Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2448581.pdf | 1.92 MB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448581-A // Testing circuits for piezoelectric crystals // Fair Irvin E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.92 MB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448581-A // Testing circuits for piezoelectric crystals // Fair Irvin E. // Bell Telephone Labor Inc | ||||
| PDF File 2448573.pdf | 481 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448573-A // Cathode structure for electron discharge devices // Blazier Charles R. ; Hale Douglas A. S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 481 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448573-A // Cathode structure for electron discharge devices // Blazier Charles R. ; Hale Douglas A. S. // Bell Telephone Labor Inc | ||||
| PDF File 2448572.pdf | 792 kB | Shaun Ewing | Sept 07, 1948 00:00 |
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US-2448572-A // Composition comprising an acyl peroxide cured polyester and an alkaline carbonate // Biggs Burnard S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 792 kB | Shaun Ewing | Sept 07, 1948 00:00 | US-2448572-A // Composition comprising an acyl peroxide cured polyester and an alkaline carbonate // Biggs Burnard S. // Bell Telephone Labor Inc | ||||
| PDF File 2448382.pdf | 273 kB | Shaun Ewing | Aug 31, 1948 00:00 |
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US-2448382-A // Silencer // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 273 kB | Shaun Ewing | Aug 31, 1948 00:00 | US-2448382-A // Silencer // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2448365.pdf | 765 kB | Shaun Ewing | Aug 31, 1948 00:00 |
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US-2448365-A // Projector and receiver of supersonic frequencies // Gillespie Rollin W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 765 kB | Shaun Ewing | Aug 31, 1948 00:00 | US-2448365-A // Projector and receiver of supersonic frequencies // Gillespie Rollin W. // Bell Telephone Labor Inc |
