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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2541322.pdf | 1.66 MB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541322-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.66 MB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541322-A // Control of impedance of semiconductor amplifier circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2541324.pdf | 863 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541324-A // Motion translating mechanism // Baxter Howard A. ; Lewis Willard D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 863 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541324-A // Motion translating mechanism // Baxter Howard A. ; Lewis Willard D. // Bell Telephone Labor Inc | ||||
| PDF File 2541348.pdf | 1.49 MB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541348-A // Time division multiplex telephone system // Espenschied Lloyd // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.49 MB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541348-A // Time division multiplex telephone system // Espenschied Lloyd // Bell Telephone Labor Inc | ||||
| PDF File 2541375.pdf | 665 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541375-A // Wave filter // Mumford William W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541375-A // Wave filter // Mumford William W. // Bell Telephone Labor Inc | ||||
| PDF File 2541378.pdf | 452 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541378-A // Rectangular wave generator control // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541378-A // Rectangular wave generator control // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2541910.pdf | 469 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541910-A // Directional coupler // Bangert John T. ; Rosen Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541910-A // Directional coupler // Bangert John T. ; Rosen Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2541923.pdf | 1.82 MB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541923-A // Molding apparatus // Huxham Trevor S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.82 MB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541923-A // Molding apparatus // Huxham Trevor S. // Bell Telephone Labor Inc | ||||
| PDF File 2541925.pdf | 580 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541925-A // Electrical space resonator having a high ratio between quality factor and volume // Kinzer John P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541925-A // Electrical space resonator having a high ratio between quality factor and volume // Kinzer John P. // Bell Telephone Labor Inc | ||||
| PDF File 2541932.pdf | 2.33 MB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541932-A // Multiplex speech interpolation system // Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.33 MB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541932-A // Multiplex speech interpolation system // Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2541935.pdf | 562 kB | Shaun Ewing | Feb 13, 1951 00:00 |
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US-2541935-A // Battery charging apparatus // Potter James A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Feb 13, 1951 00:00 | US-2541935-A // Battery charging apparatus // Potter James A. // Bell Telephone Labor Inc | ||||
| PDF File 2542182.pdf | 717 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542182-A // Combined radar and communication system // Crump Elmo E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 717 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542182-A // Combined radar and communication system // Crump Elmo E. // Bell Telephone Labor Inc | ||||
| PDF File 2542183.pdf | 1.23 MB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542183-A // Transmission privacy synchronizing and equalizing system // Edwards Paul G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.23 MB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542183-A // Transmission privacy synchronizing and equalizing system // Edwards Paul G. // Bell Telephone Labor Inc | ||||
| PDF File 2542185.pdf | 322 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542185-A // Rotatable attenuator without phase shift // Fox Arthur Gardner // Bell Telephone Labor Inc | |||
| Version 1 (current) | 322 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542185-A // Rotatable attenuator without phase shift // Fox Arthur Gardner // Bell Telephone Labor Inc | ||||
| PDF File 2542208.pdf | 3.28 MB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542208-A // Telegraph concentration board circuits // Purvis Matthew R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.28 MB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542208-A // Telegraph concentration board circuits // Purvis Matthew R. // Bell Telephone Labor Inc | ||||
| PDF File 2542644.pdf | 1007 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542644-A // Multistage ring circuit // Edson James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1007 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542644-A // Multistage ring circuit // Edson James O. // Bell Telephone Labor Inc | ||||
| PDF File 2542668.pdf | 909 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542668-A // Mercury type relay // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 909 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542668-A // Mercury type relay // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2542672.pdf | 784 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542672-A // Coordinate selecting and lockout circuit // Hecht George // Bell Telephone Labor Inc | |||
| Version 1 (current) | 784 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542672-A // Coordinate selecting and lockout circuit // Hecht George // Bell Telephone Labor Inc | ||||
| PDF File 2542727.pdf | 452 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542727-A // Etching processes and solutions // Theuerer Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 452 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542727-A // Etching processes and solutions // Theuerer Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2542742.pdf | 652 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542742-A // Pilot lamp station line circuits // Welch Paul V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 652 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542742-A // Pilot lamp station line circuits // Welch Paul V. // Bell Telephone Labor Inc | ||||
| PDF File 2542794.pdf | 513 kB | Shaun Ewing | Feb 20, 1951 00:00 |
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US-2542794-A // Control circuit for step-by-step switches // Brown Henry B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 513 kB | Shaun Ewing | Feb 20, 1951 00:00 | US-2542794-A // Control circuit for step-by-step switches // Brown Henry B. // Bell Telephone Labor Inc |
