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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2209185.pdf | 544 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2209185-A // Battery unit // Bower Justus H. ; Wright James C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 544 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2209185-A // Battery unit // Bower Justus H. ; Wright James C. // Bell Telephone Labor Inc | ||||
| PDF File 2209199.pdf | 776 kB | Shaun Ewing | Jul 23, 1940 00:00 |
|
US-2209199-A // Cathode ray sweep circuit // Gray Frank // Bell Telephone Labor Inc | |||
| Version 1 (current) | 776 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2209199-A // Cathode ray sweep circuit // Gray Frank // Bell Telephone Labor Inc | ||||
| PDF File 2209382.pdf | 393 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209382-A // Telephone ringer // Blattner David G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209382-A // Telephone ringer // Blattner David G. // Bell Telephone Labor Inc | ||||
| PDF File 2209506.pdf | 573 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209506-A // Telegraph transmitting key // Bonorden Allen R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 573 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209506-A // Telegraph transmitting key // Bonorden Allen R. // Bell Telephone Labor Inc | ||||
| PDF File 2209513.pdf | 795 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209513-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 795 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209513-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | ||||
| PDF File 2209518.pdf | 250 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209518-A // Method of supporting aerial cable // Fox Arthur L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 250 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209518-A // Method of supporting aerial cable // Fox Arthur L. // Bell Telephone Labor Inc | ||||
| PDF File 2209662.pdf | 361 kB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209662-A // Method of supporting aerial cables // Quarles Donald A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209662-A // Method of supporting aerial cables // Quarles Donald A. // Bell Telephone Labor Inc | ||||
| PDF File 2209667.pdf | 1.41 MB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209667-A // Control of transmission in two-way signaling systems // Taylor Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209667-A // Control of transmission in two-way signaling systems // Taylor Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2209777.pdf | 3.64 MB | Shaun Ewing | Jul 30, 1940 00:00 |
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US-2209777-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.64 MB | Shaun Ewing | Jul 30, 1940 00:00 | US-2209777-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 2209955.pdf | 3.91 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2209955-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 3.91 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2209955-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2210001.pdf | 1.37 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210001-A // Electric wave amplifying system // Perkins Edwin H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210001-A // Electric wave amplifying system // Perkins Edwin H. // Bell Telephone Labor Inc | ||||
| PDF File 2210068.pdf | 1.30 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210068-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.30 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210068-A // Telephone system // Dimond Thomas L. // Bell Telephone Labor Inc | ||||
| PDF File 2210503.pdf | 1.41 MB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210503-A // Wave translation system // Shaw Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.41 MB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210503-A // Wave translation system // Shaw Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2210520.pdf | 361 kB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210520-A // Wire connecting device // Barry Joseph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 361 kB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210520-A // Wire connecting device // Barry Joseph F. // Bell Telephone Labor Inc | ||||
| PDF File 2210636.pdf | 805 kB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210636-A // Guided wave transmission // Schelkunoff Sergei A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 805 kB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210636-A // Guided wave transmission // Schelkunoff Sergei A. // Bell Telephone Labor Inc | ||||
| PDF File 2210732.pdf | 662 kB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210732-A // Regulated rectifier system // Rumpel Carl H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 662 kB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210732-A // Regulated rectifier system // Rumpel Carl H. // Bell Telephone Labor Inc | ||||
| PDF File 2210739.pdf | 812 kB | Shaun Ewing | Aug 06, 1940 00:00 |
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US-2210739-A // Through supervision system // Ulrich Horace W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 812 kB | Shaun Ewing | Aug 06, 1940 00:00 | US-2210739-A // Through supervision system // Ulrich Horace W. // Bell Telephone Labor Inc | ||||
| PDF File 2210997.pdf | 355 kB | Shaun Ewing | Aug 13, 1940 00:00 |
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US-2210997-A // Feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Aug 13, 1940 00:00 | US-2210997-A // Feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | ||||
| PDF File 2211176.pdf | 1.95 MB | Shaun Ewing | Aug 13, 1940 00:00 |
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US-2211176-A // Telegraphic line circuit // Singer Fred J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.95 MB | Shaun Ewing | Aug 13, 1940 00:00 | US-2211176-A // Telegraphic line circuit // Singer Fred J. // Bell Telephone Labor Inc | ||||
| PDF File 2212214.pdf | 1.29 MB | Shaun Ewing | Aug 20, 1940 00:00 |
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US-2212214-A // Electrical transmission system // Smith Phillip H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.29 MB | Shaun Ewing | Aug 20, 1940 00:00 | US-2212214-A // Electrical transmission system // Smith Phillip H. // Bell Telephone Labor Inc |
