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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2207356.pdf | 538 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207356-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 538 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207356-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2207355.pdf | 747 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207355-A // Electron discharge device // Shockley William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207355-A // Electron discharge device // Shockley William // Bell Telephone Labor Inc | ||||
| PDF File 2207354.pdf | 578 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207354-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 578 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207354-A // Electron discharge apparatus // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2207253.pdf | 737 kB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2207253-A // Measuring and indicating circuits // Hawks Verl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 737 kB | Shaun Ewing | Jul 09, 1940 00:00 | US-2207253-A // Measuring and indicating circuits // Hawks Verl J. // Bell Telephone Labor Inc | ||||
| PDF File 2206896.pdf | 1.25 MB | Shaun Ewing | Jul 09, 1940 00:00 |
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US-2206896-A // Radiant energy distance measuring system // Higgins William H. C. ; Newhouse Russell C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.25 MB | Shaun Ewing | Jul 09, 1940 00:00 | US-2206896-A // Radiant energy distance measuring system // Higgins William H. C. ; Newhouse Russell C. // Bell Telephone Labor Inc | ||||
| PDF File 2206663.pdf | 1.77 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206663-A // Telegraph system // Cramer Walter W. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206663-A // Telegraph system // Cramer Walter W. ; Kinkead Fullerton S. // Bell Telephone Labor Inc | ||||
| PDF File 2206659.pdf | 1.22 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206659-A // Communication system // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206659-A // Communication system // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2206544.pdf | 960 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206544-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 960 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206544-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | ||||
| PDF File 2206538.pdf | 920 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206538-A // Telephone system // Rhodes William A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 920 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206538-A // Telephone system // Rhodes William A. // Bell Telephone Labor Inc | ||||
| PDF File 2206452.pdf | 1.03 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206452-A // Telegraph testing system // Cory Samuel I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.03 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206452-A // Telegraph testing system // Cory Samuel I. // Bell Telephone Labor Inc | ||||
| PDF File 2206423.pdf | 708 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206423-A // Telegraph system // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 708 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206423-A // Telegraph system // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2206410.pdf | 356 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206410-A // Core for forming concrete conduits // Lally William J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206410-A // Core for forming concrete conduits // Lally William J. // Bell Telephone Labor Inc | ||||
| PDF File 2206385.pdf | 639 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206385-A // Telephone system // Allen Lawrence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 639 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206385-A // Telephone system // Allen Lawrence H. // Bell Telephone Labor Inc | ||||
| PDF File 2206224.pdf | 419 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206224-A // Telephone call transmitter // Field Joseph C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206224-A // Telephone call transmitter // Field Joseph C. // Bell Telephone Labor Inc | ||||
| PDF File 2206217.pdf | 637 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206217-A // Lamp mounting // Barry David P. ; Seltzer George J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 637 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206217-A // Lamp mounting // Barry David P. ; Seltzer George J. // Bell Telephone Labor Inc | ||||
| PDF File 2206146.pdf | 2.12 MB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206146-A // Control of transmission and two-way signaling systems // Wright Sumner B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.12 MB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206146-A // Control of transmission and two-way signaling systems // Wright Sumner B. // Bell Telephone Labor Inc | ||||
| PDF File 2206080.pdf | 922 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206080-A // Transmission control and signaling system // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 922 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206080-A // Transmission control and signaling system // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 2205843.pdf | 509 kB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205843-A // Double balanced modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 509 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205843-A // Double balanced modulating system // Caruthers Robert S. // Bell Telephone Labor Inc | ||||
| PDF File 2205840.pdf | 293 kB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205840-A // Dielectric material // White Addison H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 293 kB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205840-A // Dielectric material // White Addison H. // Bell Telephone Labor Inc | ||||
| PDF File 2205551.pdf | 1.12 MB | Shaun Ewing | Jun 25, 1940 00:00 |
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US-2205551-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.12 MB | Shaun Ewing | Jun 25, 1940 00:00 | US-2205551-A // Telephone system // Williams Samuel B. // Bell Telephone Labor Inc |