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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 2210068.pdf | 1.30 MB | Shaun Ewing | Aug 06, 1940 00:00 |
|
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 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 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 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 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 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 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 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 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 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 2209199.pdf | 776 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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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 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 2209157.pdf | 266 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2209157-A // Educational apparatus // Glunt Omer M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 266 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2209157-A // Educational apparatus // Glunt Omer M. // Bell Telephone Labor Inc | ||||
| PDF File 2209064.pdf | 693 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2209064-A // Measurement of phase shift // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 693 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2209064-A // Measurement of phase shift // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2208927.pdf | 935 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208927-A // Electro-optical image production // Hefele John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 935 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208927-A // Electro-optical image production // Hefele John R. // Bell Telephone Labor Inc | ||||
| PDF File 2208924.pdf | 1018 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208924-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1018 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208924-A // Telephone system // Jr. John Davidson, // Bell Telephone Labor Inc | ||||
| PDF File 2208923.pdf | 574 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208923-A // Volume limiter circuit // Curtis Austen M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 574 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208923-A // Volume limiter circuit // Curtis Austen M. // Bell Telephone Labor Inc | ||||
| PDF File 2208765.pdf | 2.90 MB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208765-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.90 MB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208765-A // Telephone system // King Ralph E. ; Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 2208752.pdf | 675 kB | Shaun Ewing | Jul 23, 1940 00:00 |
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US-2208752-A // Volume limiter circuit // Jr. Stephen Doba, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 675 kB | Shaun Ewing | Jul 23, 1940 00:00 | US-2208752-A // Volume limiter circuit // Jr. Stephen Doba, // Bell Telephone Labor Inc |
