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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2285022.pdf | 605 kB | Shaun Ewing | Jun 02, 1942 00:00 |
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US-2285022-A // Telephone substation apparatus // Edwards William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Jun 02, 1942 00:00 | US-2285022-A // Telephone substation apparatus // Edwards William H. // Bell Telephone Labor Inc | ||||
| PDF File 2285034.pdf | 379 kB | Shaun Ewing | Jun 02, 1942 00:00 |
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US-2285034-A // Cover for cable terminal housings // Kelsay Le Roy W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 379 kB | Shaun Ewing | Jun 02, 1942 00:00 | US-2285034-A // Cover for cable terminal housings // Kelsay Le Roy W. // Bell Telephone Labor Inc | ||||
| PDF File 2285451.pdf | 1.44 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285451-A // Automatic control system // Melhose Alfred E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.44 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285451-A // Automatic control system // Melhose Alfred E. // Bell Telephone Labor Inc | ||||
| PDF File 2285512.pdf | 422 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285512-A // Stapling machine // Harley Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285512-A // Stapling machine // Harley Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2285524.pdf | 1.30 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285524-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285524-A // Telephone system // Logan Mason A. // Bell Telephone Labor Inc | ||||
| PDF File 2285565.pdf | 495 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285565-A // Directive antenna // Brucc Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 495 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285565-A // Directive antenna // Brucc Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2285657.pdf | 695 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285657-A // Brush carriage for selector switches // Hickman Clarence N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 695 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285657-A // Brush carriage for selector switches // Hickman Clarence N. // Bell Telephone Labor Inc | ||||
| PDF File 2285794.pdf | 995 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285794-A // Control circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 995 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285794-A // Control circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2285796.pdf | 608 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285796-A // Gaseous discharge device // Beardow George M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285796-A // Gaseous discharge device // Beardow George M. // Bell Telephone Labor Inc | ||||
| PDF File 2285815.pdf | 1.10 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285815-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.10 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285815-A // Signaling system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2285832.pdf | 1.21 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285832-A // Feedback amplifier // Perkins Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.21 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285832-A // Feedback amplifier // Perkins Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2285908.pdf | 674 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285908-A // Sender control system // Davis Richard C. ; Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 674 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285908-A // Sender control system // Davis Richard C. ; Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2285912.pdf | 380 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285912-A // Electric unbalance indicator // Monte Robert W. De // Bell Telephone Labor Inc | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285912-A // Electric unbalance indicator // Monte Robert W. De // Bell Telephone Labor Inc | ||||
| PDF File 2285972.pdf | 1.08 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285972-A // Telephone system // Holden William H. T. ; Hubbard Francis A. ; Martin William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.08 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285972-A // Telephone system // Holden William H. T. ; Hubbard Francis A. ; Martin William H. // Bell Telephone Labor Inc | ||||
| PDF File 2285985.pdf | 1.19 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2285985-A // Step-by-step operated crossbar switch // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.19 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2285985-A // Step-by-step operated crossbar switch // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 2286072.pdf | 1.22 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2286072-A // Treatment of speech waves for transmission or recording // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.22 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286072-A // Treatment of speech waves for transmission or recording // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2286135.pdf | 335 kB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2286135-A // Impulse mechanism // Kater Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 335 kB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286135-A // Impulse mechanism // Kater Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2286142.pdf | 1.34 MB | Shaun Ewing | Jun 09, 1942 00:00 |
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US-2286142-A // Guard circuit // Lamberty Frederick R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.34 MB | Shaun Ewing | Jun 09, 1942 00:00 | US-2286142-A // Guard circuit // Lamberty Frederick R. // Bell Telephone Labor Inc | ||||
| PDF File 2286839.pdf | 1.35 MB | Shaun Ewing | Jun 16, 1942 00:00 |
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US-2286839-A // Directive antenna system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.35 MB | Shaun Ewing | Jun 16, 1942 00:00 | US-2286839-A // Directive antenna system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | ||||
| PDF File 2287077.pdf | 829 kB | Shaun Ewing | Jun 23, 1942 00:00 |
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US-2287077-A // Volume range control in signal transmission systems // Abraham Leonard G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 829 kB | Shaun Ewing | Jun 23, 1942 00:00 | US-2287077-A // Volume range control in signal transmission systems // Abraham Leonard G. // Bell Telephone Labor Inc |