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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 2163403.pdf | 887 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
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 2163247.pdf | 634 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
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 2163244.pdf | 633 kB | Shaun Ewing | Jun 20, 1939 00:00 |
|
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 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 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 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 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 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 2162874.pdf | 487 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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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 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 2162744.pdf | 441 kB | Shaun Ewing | Jun 20, 1939 00:00 |
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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 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 2162356.pdf | 380 kB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2162356-A // Relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Jun 13, 1939 00:00 | US-2162356-A // Relay // Jr. Robert L. Peek, // Bell Telephone Labor Inc | ||||
| PDF File 2162270.pdf | 602 kB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2162270-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 602 kB | Shaun Ewing | Jun 13, 1939 00:00 | US-2162270-A // Acoustic device // Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2162268.pdf | 344 kB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2162268-A // Signaling system // Meszar John // Bell Telephone Labor Inc | |||
| Version 1 (current) | 344 kB | Shaun Ewing | Jun 13, 1939 00:00 | US-2162268-A // Signaling system // Meszar John // Bell Telephone Labor Inc | ||||
| PDF File 2161950.pdf | 777 kB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2161950-A // Deposition furnace // Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 777 kB | Shaun Ewing | Jun 13, 1939 00:00 | US-2161950-A // Deposition furnace // Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2161945.pdf | 2.73 MB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2161945-A // Time-of-day announcing system // Baumfalk John ; Bennett William ; Wright Paul L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.73 MB | Shaun Ewing | Jun 13, 1939 00:00 | US-2161945-A // Time-of-day announcing system // Baumfalk John ; Bennett William ; Wright Paul L. // Bell Telephone Labor Inc | ||||
| PDF File 2161864.pdf | 1.85 MB | Shaun Ewing | Jun 13, 1939 00:00 |
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US-2161864-A // Telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.85 MB | Shaun Ewing | Jun 13, 1939 00:00 | US-2161864-A // Telephone system // Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2161489.pdf | 534 kB | Shaun Ewing | Jun 06, 1939 00:00 |
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US-2161489-A // Vibratory system // Vieth Leonard ; Wiebusch Charles F. ; Yenzer George R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 534 kB | Shaun Ewing | Jun 06, 1939 00:00 | US-2161489-A // Vibratory system // Vieth Leonard ; Wiebusch Charles F. ; Yenzer George R. // Bell Telephone Labor Inc |
