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 1507178.pdf | 474 kB | Shaun Ewing | Sept 02, 1924 00:00 |
|
US-1507178-A // Method of and means for reducing interference in transmission systems // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 474 kB | Shaun Ewing | Sept 02, 1924 00:00 | US-1507178-A // Method of and means for reducing interference in transmission systems // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1508424.pdf | 439 kB | Shaun Ewing | Sept 16, 1924 00:00 |
|
US-1508424-A // Telephone desk set // Thompson George K. // American Telephone & Telegraph | |||
| Version 1 (current) | 439 kB | Shaun Ewing | Sept 16, 1924 00:00 | US-1508424-A // Telephone desk set // Thompson George K. // American Telephone & Telegraph | ||||
| PDF File 1508425.pdf | 661 kB | Shaun Ewing | Sept 16, 1924 00:00 |
|
US-1508425-A // Telephone private branch exchange circuits // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | |||
| Version 1 (current) | 661 kB | Shaun Ewing | Sept 16, 1924 00:00 | US-1508425-A // Telephone private branch exchange circuits // Toomey John F. ; Phelps Henry E. // American Telephone & Telegraph | ||||
| PDF File 1509139.pdf | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 |
|
US-1509139-A // Radio receiving apparatus // Grimes David // American Telephone & Telegraph | |||
| Version 1 (current) | 233 kB | Shaun Ewing | Sept 23, 1924 00:00 | US-1509139-A // Radio receiving apparatus // Grimes David // American Telephone & Telegraph | ||||
| PDF File 1509184.pdf | 802 kB | Shaun Ewing | Sept 23, 1924 00:00 |
|
US-1509184-A // Multiple-band wave filter // Zobel Otto J. // American Telephone & Telegraph | |||
| Version 1 (current) | 802 kB | Shaun Ewing | Sept 23, 1924 00:00 | US-1509184-A // Multiple-band wave filter // Zobel Otto J. // American Telephone & Telegraph | ||||
| PDF File 1509886.pdf | 1.11 MB | Shaun Ewing | Sept 30, 1924 00:00 |
|
US-1509886-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.11 MB | Shaun Ewing | Sept 30, 1924 00:00 | US-1509886-A // Printing-telegraph system // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1509901.pdf | 383 kB | Shaun Ewing | Sept 30, 1924 00:00 |
|
US-1509901-A // Electrical measuring system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 383 kB | Shaun Ewing | Sept 30, 1924 00:00 | US-1509901-A // Electrical measuring system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1510985.pdf | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 |
|
US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 943 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1510985-A // Transmission regulation // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1511013.pdf | 1.77 MB | Shaun Ewing | Oct 07, 1924 00:00 |
|
US-1511013-A // Equalization of carrier transmissions // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.77 MB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511013-A // Equalization of carrier transmissions // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1511014.pdf | 760 kB | Shaun Ewing | Oct 07, 1924 00:00 |
|
US-1511014-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 760 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511014-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1511015.pdf | 715 kB | Shaun Ewing | Oct 07, 1924 00:00 |
|
US-1511015-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 715 kB | Shaun Ewing | Oct 07, 1924 00:00 | US-1511015-A // Transmission regulation // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1511326.pdf | 553 kB | Shaun Ewing | Oct 14, 1924 00:00 |
|
US-1511326-A // Duplex telegraphy // Fell John M. // American Telephone & Telegraph | |||
| Version 1 (current) | 553 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511326-A // Duplex telegraphy // Fell John M. // American Telephone & Telegraph | ||||
| PDF File 1511360.pdf | 393 kB | Shaun Ewing | Oct 14, 1924 00:00 |
|
US-1511360-A // Anti-inductive system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 393 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511360-A // Anti-inductive system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1511629.pdf | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 |
|
US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | |||
| Version 1 (current) | 577 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511629-A // Electrical testing system // Nyquist Harry // American Telephone & Telegraph | ||||
| PDF File 1511755.pdf | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 |
|
US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511755-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1511756.pdf | 422 kB | Shaun Ewing | Oct 14, 1924 00:00 |
|
US-1511756-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | |||
| Version 1 (current) | 422 kB | Shaun Ewing | Oct 14, 1924 00:00 | US-1511756-A // Electrical testing system // Cory Samuel I. // American Telephone & Telegraph | ||||
| PDF File 1512070.pdf | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 |
|
US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Oct 21, 1924 00:00 | US-1512070-A // Printing telegraphy // Vernam Gilbert S. // American Telephone & Telegraph | ||||
| PDF File 1512087.pdf | 240 kB | Shaun Ewing | Oct 21, 1924 00:00 |
|
US-1512087-A // Buckle for safety straps // Fish Lewin B. // American Telephone & Telegraph | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Oct 21, 1924 00:00 | US-1512087-A // Buckle for safety straps // Fish Lewin B. // American Telephone & Telegraph | ||||
| PDF File 1512930.pdf | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 |
|
US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | |||
| Version 1 (current) | 418 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1512930-A // Signaling system // Hitchcock Harry W. // American Telephone & Telegraph | ||||
| PDF File 1512953.pdf | 380 kB | Shaun Ewing | Oct 28, 1924 00:00 |
|
US-1512953-A // Arrangement for protecting electrical contacts // Shanck Roy B. // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Oct 28, 1924 00:00 | US-1512953-A // Arrangement for protecting electrical contacts // Shanck Roy B. // American Telephone & Telegraph |