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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2112533.pdf | 803 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112533-A // Frequency changer system // Kalb Robert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 803 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112533-A // Frequency changer system // Kalb Robert M. // Bell Telephone Labor Inc | ||||
| PDF File 2112541.pdf | 580 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112541-A // Measuring circuits // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 580 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112541-A // Measuring circuits // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 2112542.pdf | 450 kB | Shaun Ewing | Mar 29, 1938 00:00 |
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US-2112542-A // Electromagnet and controlling circuits therefor // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 450 kB | Shaun Ewing | Mar 29, 1938 00:00 | US-2112542-A // Electromagnet and controlling circuits therefor // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2112951.pdf | 12.79 MB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2112951-A // Telephone system // Carpenter Warren W. ; Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 12.79 MB | Shaun Ewing | Apr 05, 1938 00:00 | US-2112951-A // Telephone system // Carpenter Warren W. ; Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2113210.pdf | 486 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113210-A // Frequency stable electric discharge oscillator // Hight Stuart C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 486 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113210-A // Frequency stable electric discharge oscillator // Hight Stuart C. // Bell Telephone Labor Inc | ||||
| PDF File 2113215.pdf | 424 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113215-A // Cross-bar switch // Magrath Arthur C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 424 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113215-A // Cross-bar switch // Magrath Arthur C. // Bell Telephone Labor Inc | ||||
| PDF File 2113217.pdf | 275 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113217-A // Signaling system // Nelson Stanley F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 275 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113217-A // Signaling system // Nelson Stanley F. // Bell Telephone Labor Inc | ||||
| PDF File 2113220.pdf | 881 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113220-A // Rectifier system // Power James R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 881 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113220-A // Rectifier system // Power James R. // Bell Telephone Labor Inc | ||||
| PDF File 2113221.pdf | 338 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113221-A // Signaling system // Pullis George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 338 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113221-A // Signaling system // Pullis George A. // Bell Telephone Labor Inc | ||||
| PDF File 2113254.pdf | 1.35 MB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113254-A // Television system // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113254-A // Television system // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2113256.pdf | 456 kB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2113256-A // Film driving mechanism // Jeanne Armand L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 456 kB | Shaun Ewing | Apr 05, 1938 00:00 | US-2113256-A // Film driving mechanism // Jeanne Armand L. // Bell Telephone Labor Inc | ||||
| PDF File 2114016.pdf | 495 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114016-A // Electrical counting system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114016-A // Electrical counting system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2114017.pdf | 665 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114017-A // Cable terminal // Dring Arthur W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 665 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114017-A // Cable terminal // Dring Arthur W. // Bell Telephone Labor Inc | ||||
| PDF File 2114023.pdf | 667 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114023-A // Telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 667 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114023-A // Telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2114035.pdf | 749 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114035-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114035-A // Electron discharge apparatus // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2114036.pdf | 1.12 MB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114036-A // Frequency stabilization system // Smith John W. ; Thayer Gorden N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114036-A // Frequency stabilization system // Smith John W. ; Thayer Gorden N. // Bell Telephone Labor Inc | ||||
| PDF File 2114046.pdf | 527 kB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114046-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 527 kB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114046-A // Switching mechanism // Burwell John A. // Bell Telephone Labor Inc | ||||
| PDF File 2114253.pdf | 1.29 MB | Shaun Ewing | Apr 12, 1938 00:00 |
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US-2114253-A // Telegraph exchange system // Large Wayne V. K. ; Locke George A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Apr 12, 1938 00:00 | US-2114253-A // Telegraph exchange system // Large Wayne V. K. ; Locke George A. // Bell Telephone Labor Inc | ||||
| PDF File 2114439.pdf | 1.06 MB | Shaun Ewing | Apr 19, 1938 00:00 |
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US-2114439-A // Electron discharge device // Clark James E. ; Ronci Victor L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.06 MB | Shaun Ewing | Apr 19, 1938 00:00 | US-2114439-A // Electron discharge device // Clark James E. ; Ronci Victor L. // Bell Telephone Labor Inc | ||||
| PDF File 2114458.pdf | 334 kB | Shaun Ewing | Apr 19, 1938 00:00 |
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US-2114458-A // Resistance device // Schafer Arthur H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 334 kB | Shaun Ewing | Apr 19, 1938 00:00 | US-2114458-A // Resistance device // Schafer Arthur H. // Bell Telephone Labor Inc |
