Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1583854.pdf | 380 kB | Shaun Ewing | May 11, 1926 00:00 |
|
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 1583827.pdf | 629 kB | Shaun Ewing | May 11, 1926 00:00 |
|
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 1583826.pdf | 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 | |||
| 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 1583004.pdf | 537 kB | Shaun Ewing | May 04, 1926 00:00 |
|
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 1582984.pdf | 427 kB | Shaun Ewing | May 04, 1926 00:00 |
|
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 1582948.pdf | 753 kB | Shaun Ewing | May 04, 1926 00:00 |
|
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 1582113.pdf | 418 kB | Shaun Ewing | Apr 27, 1926 00:00 |
|
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 1582112.pdf | 437 kB | Shaun Ewing | Apr 27, 1926 00:00 |
|
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 1582073.pdf | 497 kB | Shaun Ewing | Apr 27, 1926 00:00 |
|
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 1581326.pdf | 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 | |||
| 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 1581314.pdf | 238 kB | Shaun Ewing | Apr 20, 1926 00:00 |
|
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 1581305.pdf | 819 kB | Shaun Ewing | Apr 20, 1926 00:00 |
|
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 1580624.pdf | 564 kB | Shaun Ewing | Apr 13, 1926 00:00 |
|
US-1580624-A // Gain-control circuits for repeaters // Nyquist Harry ; Bouton Lewis L. ; Shoffstall Hugh F. // American Telephone & Telegraph | |||
| Version 1 (current) | 564 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580624-A // Gain-control circuits for repeaters // Nyquist Harry ; Bouton Lewis L. ; Shoffstall Hugh F. // American Telephone & Telegraph | ||||
| PDF File 1580225.pdf | 582 kB | Shaun Ewing | Apr 13, 1926 00:00 |
|
US-1580225-A // Telegraph circuit // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580225-A // Telegraph circuit // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1580192.pdf | 508 kB | Shaun Ewing | Apr 13, 1926 00:00 |
|
US-1580192-A // Duplex telegraph system // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 508 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580192-A // Duplex telegraph system // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1580191.pdf | 640 kB | Shaun Ewing | Apr 13, 1926 00:00 |
|
US-1580191-A // Means for reducing cross fire in telegraph circuits // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 640 kB | Shaun Ewing | Apr 13, 1926 00:00 | US-1580191-A // Means for reducing cross fire in telegraph circuits // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1579307.pdf | 175 kB | Shaun Ewing | Apr 06, 1926 00:00 |
|
US-1579307-A // Tool handle // Gordon Chester S. // American Telephone & Telegraph | |||
| Version 1 (current) | 175 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579307-A // Tool handle // Gordon Chester S. // American Telephone & Telegraph | ||||
| PDF File 1579283.pdf | 324 kB | Shaun Ewing | Apr 06, 1926 00:00 |
|
US-1579283-A // Multiple-way connection for alpha plurality of lines // Crisson George // American Telephone & Telegraph | |||
| Version 1 (current) | 324 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579283-A // Multiple-way connection for alpha plurality of lines // Crisson George // American Telephone & Telegraph | ||||
| PDF File 1579263.pdf | 347 kB | Shaun Ewing | Apr 06, 1926 00:00 |
|
US-1579263-A // Electrical transmission of pictures // Watson Edward F. // American Telephone & Telegraph | |||
| Version 1 (current) | 347 kB | Shaun Ewing | Apr 06, 1926 00:00 | US-1579263-A // Electrical transmission of pictures // Watson Edward F. // American Telephone & Telegraph | ||||
| PDF File 1578307.pdf | 526 kB | Shaun Ewing | Mar 30, 1926 00:00 |
|
US-1578307-A // Inductance coil // Zinn Manvel K. // American Telephone & Telegraph | |||
| Version 1 (current) | 526 kB | Shaun Ewing | Mar 30, 1926 00:00 | US-1578307-A // Inductance coil // Zinn Manvel K. // American Telephone & Telegraph |
