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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2242285.pdf | 655 kB | Shaun Ewing | May 20, 1941 00:00 |
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US-2242285-A // Telephone system // Blackwell Otto B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 655 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242285-A // Telephone system // Blackwell Otto B. // Bell Telephone Labor Inc | ||||
| PDF File 2242284.pdf | 379 kB | Shaun Ewing | May 20, 1941 00:00 |
|
US-2242284-A // Mechanical amplifier // Bennett Arthur F. ; Polk Robert E. ; Tuffnell William L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 379 kB | Shaun Ewing | May 20, 1941 00:00 | US-2242284-A // Mechanical amplifier // Bennett Arthur F. ; Polk Robert E. ; Tuffnell William L. // Bell Telephone Labor Inc | ||||
| PDF File 2241882.pdf | 609 kB | Shaun Ewing | May 13, 1941 00:00 |
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US-2241882-A // Designation strip // Hecht Rudolph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 609 kB | Shaun Ewing | May 13, 1941 00:00 | US-2241882-A // Designation strip // Hecht Rudolph A. // Bell Telephone Labor Inc | ||||
| PDF File 2241258.pdf | 1.41 MB | Shaun Ewing | May 06, 1941 00:00 |
|
US-2241258-A // Teletypewriter switching system // Gardner Leland A. ; Singer Fred J. ; Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | May 06, 1941 00:00 | US-2241258-A // Teletypewriter switching system // Gardner Leland A. ; Singer Fred J. ; Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2241256.pdf | 1.07 MB | Shaun Ewing | May 06, 1941 00:00 |
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US-2241256-A // Circuit for cathode ray tubes // Gould King E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | May 06, 1941 00:00 | US-2241256-A // Circuit for cathode ray tubes // Gould King E. // Bell Telephone Labor Inc | ||||
| PDF File 2241228.pdf | 672 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2241228-A // Coating machine // Weinhart Howard W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 672 kB | Shaun Ewing | May 06, 1941 00:00 | US-2241228-A // Coating machine // Weinhart Howard W. // Bell Telephone Labor Inc | ||||
| PDF File 2241031.pdf | 804 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2241031-A // Telephone system // Holden William H. T. ; Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 804 kB | Shaun Ewing | May 06, 1941 00:00 | US-2241031-A // Telephone system // Holden William H. T. ; Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2241016.pdf | 2.63 MB | Shaun Ewing | May 06, 1941 00:00 |
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US-2241016-A // Telephone system // King Gerald V. ; Korn Franklin A. ; Mcalpine Roderick K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.63 MB | Shaun Ewing | May 06, 1941 00:00 | US-2241016-A // Telephone system // King Gerald V. ; Korn Franklin A. ; Mcalpine Roderick K. // Bell Telephone Labor Inc | ||||
| PDF File 2240941.pdf | 1.13 MB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240941-A // Oscillation source of the spark discharge gap type // Ohl Russell S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.13 MB | Shaun Ewing | May 06, 1941 00:00 | US-2240941-A // Oscillation source of the spark discharge gap type // Ohl Russell S. // Bell Telephone Labor Inc | ||||
| PDF File 2240929.pdf | 545 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240929-A // Testing apparatus // Hays James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 545 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240929-A // Testing apparatus // Hays James B. // Bell Telephone Labor Inc | ||||
| PDF File 2240686.pdf | 581 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240686-A // Fluid driven motor // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 581 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240686-A // Fluid driven motor // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2240685.pdf | 630 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240685-A // Cutting tool // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 630 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240685-A // Cutting tool // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2240589.pdf | 594 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240589-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 594 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240589-A // Relay // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 2240579.pdf | 218 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240579-A // Flexible conductor // Schumacher Earle E. ; Souden Alexander G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 218 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240579-A // Flexible conductor // Schumacher Earle E. ; Souden Alexander G. // Bell Telephone Labor Inc | ||||
| PDF File 2240309.pdf | 1.69 MB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240309-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.69 MB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240309-A // Piezoelectric crystal apparatus // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2240306.pdf | 959 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240306-A // Electromechanical filter // Lakatos Emory // Bell Telephone Labor Inc | |||
| Version 1 (current) | 959 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240306-A // Electromechanical filter // Lakatos Emory // Bell Telephone Labor Inc | ||||
| PDF File 2240286.pdf | 555 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240286-A // Amplifier // Cousins Van M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 555 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240286-A // Amplifier // Cousins Van M. // Bell Telephone Labor Inc | ||||
| PDF File 2240142.pdf | 566 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240142-A // Wave filter // Lovell George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 566 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240142-A // Wave filter // Lovell George H. // Bell Telephone Labor Inc | ||||
| PDF File 2240140.pdf | 595 kB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240140-A // Distortion reduction in wave transmission // Krist Henry K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 595 kB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240140-A // Distortion reduction in wave transmission // Krist Henry K. // Bell Telephone Labor Inc | ||||
| PDF File 2240039.pdf | 1.74 MB | Shaun Ewing | Apr 29, 1941 00:00 |
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US-2240039-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.74 MB | Shaun Ewing | Apr 29, 1941 00:00 | US-2240039-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc |
