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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1581305.pdf | 819 kB | Shaun Ewing | Apr 20, 1926 00:00 |
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US-1581305-A // Electrical controlling system // Watson Edward F. ; Hunt Arthur E. // American Telephone & Telegraph | |||
| Version 1 (current) | 819 kB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581305-A // Electrical controlling system // Watson Edward F. ; Hunt Arthur E. // American Telephone & Telegraph | ||||
| PDF File 1581314.pdf | 238 kB | Shaun Ewing | Apr 20, 1926 00:00 |
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US-1581314-A // Device for coiling cables // Herbert Clifford M. // American Telephone & Telegraph | |||
| Version 1 (current) | 238 kB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581314-A // Device for coiling cables // Herbert Clifford M. // American Telephone & Telegraph | ||||
| PDF File 1581326.pdf | 467 kB | Shaun Ewing | Apr 20, 1926 00:00 |
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US-1581326-A // Means for preventing bias in telegraph systems // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 467 kB | Shaun Ewing | Apr 20, 1926 00:00 | US-1581326-A // Means for preventing bias in telegraph systems // Shanck Roy B. // American Telephone & Telegraph | ||||
| PDF File 1582073.pdf | 497 kB | Shaun Ewing | Apr 27, 1926 00:00 |
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US-1582073-A // Phantom carrier circuits // O'Leary Joseph T. // American Telephone & Telegraph | |||
| Version 1 (current) | 497 kB | Shaun Ewing | Apr 27, 1926 00:00 | US-1582073-A // Phantom carrier circuits // O'Leary Joseph T. // American Telephone & Telegraph | ||||
| PDF File 1582112.pdf | 437 kB | Shaun Ewing | Apr 27, 1926 00:00 |
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US-1582112-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 437 kB | Shaun Ewing | Apr 27, 1926 00:00 | US-1582112-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1582113.pdf | 418 kB | Shaun Ewing | Apr 27, 1926 00:00 |
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US-1582113-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Apr 27, 1926 00:00 | US-1582113-A // Phantom carrier circuits // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1582948.pdf | 753 kB | Shaun Ewing | May 04, 1926 00:00 |
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US-1582948-A // Testing system // Walters James N. ; Ewing Claude // American Telephone & Telegraph | |||
| Version 1 (current) | 753 kB | Shaun Ewing | May 04, 1926 00:00 | US-1582948-A // Testing system // Walters James N. ; Ewing Claude // American Telephone & Telegraph | ||||
| PDF File 1582984.pdf | 427 kB | Shaun Ewing | May 04, 1926 00:00 |
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US-1582984-A // Automatic regulation of echo-suppressor sensitivity // Hamilton Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 427 kB | Shaun Ewing | May 04, 1926 00:00 | US-1582984-A // Automatic regulation of echo-suppressor sensitivity // Hamilton Harold S. // American Telephone & Telegraph | ||||
| PDF File 1583004.pdf | 537 kB | Shaun Ewing | May 04, 1926 00:00 |
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US-1583004-A // Signal-detecting system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 537 kB | Shaun Ewing | May 04, 1926 00:00 | US-1583004-A // Signal-detecting system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1583826.pdf | 358 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1583826-A // Method and apparatus for balancing out radiointerference on wire lines // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 358 kB | Shaun Ewing | May 11, 1926 00:00 | US-1583826-A // Method and apparatus for balancing out radiointerference on wire lines // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1583827.pdf | 629 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1583827-A // Loading transmission lines // Green Estill I. // American Telephone & Telegraph | |||
| Version 1 (current) | 629 kB | Shaun Ewing | May 11, 1926 00:00 | US-1583827-A // Loading transmission lines // Green Estill I. // American Telephone & Telegraph | ||||
| PDF File 1583854.pdf | 380 kB | Shaun Ewing | May 11, 1926 00:00 |
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US-1583854-A // Volume-control apparatus // Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | May 11, 1926 00:00 | US-1583854-A // Volume-control apparatus // Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1584748.pdf | 224 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph | |||
| Version 1 (current) | 224 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584748-A // Circuit controller // Toomey John F. // American Telephone & Telegraph | ||||
| PDF File 1584749.pdf | 688 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | |||
| Version 1 (current) | 688 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584749-A // Ciphering device // Vernam Gilbert S. ; Perry Donald B. // American Telephone & Telegraph | ||||
| PDF File 1584819.pdf | 778 kB | Shaun Ewing | May 18, 1926 00:00 |
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US-1584819-A // Winch // Smith Temple C. ; Freeman Albert E. ; Simonds George D. // American Telephone & Telegraph | |||
| Version 1 (current) | 778 kB | Shaun Ewing | May 18, 1926 00:00 | US-1584819-A // Winch // Smith Temple C. ; Freeman Albert E. ; Simonds George D. // American Telephone & Telegraph | ||||
| PDF File 1585701.pdf | 511 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585701-A // Method and means for telephone transmission measurements // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 511 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585701-A // Method and means for telephone transmission measurements // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1585702.pdf | 624 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585702-A // Echo suppressor for two-wire systems // Clark Alva B. // American Telephone & Telegraph | |||
| Version 1 (current) | 624 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585702-A // Echo suppressor for two-wire systems // Clark Alva B. // American Telephone & Telegraph | ||||
| PDF File 1585729.pdf | 329 kB | Shaun Ewing | May 25, 1926 00:00 |
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US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | |||
| Version 1 (current) | 329 kB | Shaun Ewing | May 25, 1926 00:00 | US-1585729-A // Emergency switching mechanism // Matte Andrew L. // American Telephone & Telegraph | ||||
| PDF File 1586587.pdf | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.37 MB | Shaun Ewing | Jun 01, 1926 00:00 | US-1586587-A // Testing system for testing subscribers' station apparatus // Taplin Carleton V. // American Telephone & Telegraph | ||||
| PDF File 1586633.pdf | 350 kB | Shaun Ewing | Jun 01, 1926 00:00 |
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US-1586633-A // Drainage method for four-wire-cable systems // Mccurdy Ralph G. // American Telephone & Telegraph | |||
| Version 1 (current) | 350 kB | Shaun Ewing | Jun 01, 1926 00:00 | US-1586633-A // Drainage method for four-wire-cable systems // Mccurdy Ralph G. // American Telephone & Telegraph |
