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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2162362.pdf | 217 kB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2162362-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 217 kB | Shaun Ewing | Jun 13, 1939 00:00 | US-2162362-A // Asymmetrical conductor // Smith George O. // Bell Telephone Labor Inc | ||||
| PDF File 2162744.pdf | 441 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
US-2162744-A // Amplifier // Owendoff Harold M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 441 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162744-A // Amplifier // Owendoff Harold M. // Bell Telephone Labor Inc | ||||
| PDF File 2162806.pdf | 623 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2162806-A // Frequency changer // Fay Clifford E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162806-A // Frequency changer // Fay Clifford E. // Bell Telephone Labor Inc | ||||
| PDF File 2162874.pdf | 487 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
US-2162874-A // Electrical measuring circuit // Wurmser Alphons V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 487 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162874-A // Electrical measuring circuit // Wurmser Alphons V. // Bell Telephone Labor Inc | ||||
| PDF File 2162892.pdf | 1.68 MB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2162892-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.68 MB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162892-A // Telephone system // Koechling Charles D. // Bell Telephone Labor Inc | ||||
| PDF File 2162894.pdf | 907 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2162894-A // Method and apparatus for measuring nonlinear impedances // Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 907 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162894-A // Method and apparatus for measuring nonlinear impedances // Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2162986.pdf | 314 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2162986-A // Amplifying system // Wiebusch Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2162986-A // Amplifying system // Wiebusch Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2163156.pdf | 307 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163156-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 307 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163156-A // Electron discharge device // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2163157.pdf | 437 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163157-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163157-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2163244.pdf | 633 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163244-A // Signal translating apparatus // Kircher Reymond J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163244-A // Signal translating apparatus // Kircher Reymond J. // Bell Telephone Labor Inc | ||||
| PDF File 2163247.pdf | 634 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163247-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 634 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163247-A // Electron discharge apparatus // Samuel Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2163403.pdf | 887 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163403-A // Stabilized oscillator // Meacham Larned A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 887 kB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163403-A // Stabilized oscillator // Meacham Larned A. // Bell Telephone Labor Inc | ||||
| PDF File 2163431.pdf | 1.50 MB | Shaun Ewing | Jun 20, 1939 00:00 |
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US-2163431-A // Printing telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.50 MB | Shaun Ewing | Jun 20, 1939 00:00 | US-2163431-A // Printing telegraph exchange system // Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2163668.pdf | 694 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2163668-A // Teletypewriter station // Corwin Thomas L. ; Hysko John L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 694 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2163668-A // Teletypewriter station // Corwin Thomas L. ; Hysko John L. // Bell Telephone Labor Inc | ||||
| PDF File 2163750.pdf | 957 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2163750-A // High frequency transmission system // D'Heedene Albert R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 957 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2163750-A // High frequency transmission system // D'Heedene Albert R. // Bell Telephone Labor Inc | ||||
| PDF File 2163756.pdf | 871 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2163756-A // High frequency oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 871 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2163756-A // High frequency oscillator // Llewellyn Frederick B. // Bell Telephone Labor Inc | ||||
| PDF File 2164033.pdf | 886 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2164033-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 886 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164033-A // Telephone system // Halligan Clair W. // Bell Telephone Labor Inc | ||||
| PDF File 2164034.pdf | 948 kB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2164034-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 948 kB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164034-A // Selector switch // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2164165.pdf | 1.25 MB | Shaun Ewing | Jun 27, 1939 00:00 |
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US-2164165-A // Electrical condenser // Rodgers Karl F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jun 27, 1939 00:00 | US-2164165-A // Electrical condenser // Rodgers Karl F. // Bell Telephone Labor Inc | ||||
| PDF File 2164325.pdf | 986 kB | Shaun Ewing | Jul 04, 1939 00:00 |
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US-2164325-A // Telephone system // Hartley Ralph V. L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 986 kB | Shaun Ewing | Jul 04, 1939 00:00 | US-2164325-A // Telephone system // Hartley Ralph V. L. // Bell Telephone Labor Inc |
