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 1221870.pdf | 520 kB | Shaun Ewing | Apr 10, 1917 00:00 |
|
US-1221870-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Apr 10, 1917 00:00 | US-1221870-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1221547.pdf | 547 kB | Shaun Ewing | Apr 03, 1917 00:00 |
|
US-1221547-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221547-A // Telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1221188.pdf | 909 kB | Shaun Ewing | Apr 03, 1917 00:00 |
|
US-1221188-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 909 kB | Shaun Ewing | Apr 03, 1917 00:00 | US-1221188-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1220756.pdf | 749 kB | Shaun Ewing | Mar 27, 1917 00:00 |
|
US-1220756-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 749 kB | Shaun Ewing | Mar 27, 1917 00:00 | US-1220756-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1220238.pdf | 873 kB | Shaun Ewing | Mar 27, 1917 00:00 |
|
US-1220238-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 873 kB | Shaun Ewing | Mar 27, 1917 00:00 | US-1220238-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1219955.pdf | 1000 kB | Shaun Ewing | Mar 20, 1917 00:00 |
|
US-1219955-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 1000 kB | Shaun Ewing | Mar 20, 1917 00:00 | US-1219955-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1219760.pdf | 400 kB | Shaun Ewing | Mar 20, 1917 00:00 |
|
US-1219760-A // Method of and means for correcting loading-section irregularities in transmission-lines. // John Mills ; Ray S. Hoyt // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Mar 20, 1917 00:00 | US-1219760-A // Method of and means for correcting loading-section irregularities in transmission-lines. // John Mills ; Ray S. Hoyt // American Telephone & Telegraph | ||||
| PDF File 1219727.pdf | 1.44 MB | Shaun Ewing | Mar 20, 1917 00:00 |
|
US-1219727-A // Telephone repeating system. // Elwood Grissinger // American Telephone & Telegraph | |||
| Version 1 (current) | 1.44 MB | Shaun Ewing | Mar 20, 1917 00:00 | US-1219727-A // Telephone repeating system. // Elwood Grissinger // American Telephone & Telegraph | ||||
| PDF File 1219561.pdf | 754 kB | Shaun Ewing | Mar 20, 1917 00:00 |
|
US-1219561-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Mar 20, 1917 00:00 | US-1219561-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1219110.pdf | 1.05 MB | Shaun Ewing | Mar 13, 1917 00:00 |
|
US-1219110-A // Method of and means for quadruplexing cables. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 1.05 MB | Shaun Ewing | Mar 13, 1917 00:00 | US-1219110-A // Method of and means for quadruplexing cables. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1218870.pdf | 191 kB | Shaun Ewing | Mar 13, 1917 00:00 |
|
US-1218870-A // Duplexing telegraphic lines. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 191 kB | Shaun Ewing | Mar 13, 1917 00:00 | US-1218870-A // Duplexing telegraphic lines. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1218413.pdf | 691 kB | Shaun Ewing | Mar 06, 1917 00:00 |
|
US-1218413-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 691 kB | Shaun Ewing | Mar 06, 1917 00:00 | US-1218413-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1218274.pdf | 916 kB | Shaun Ewing | Mar 06, 1917 00:00 |
|
US-1218274-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 916 kB | Shaun Ewing | Mar 06, 1917 00:00 | US-1218274-A // Quadruplex telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 1215406.pdf | 176 kB | Shaun Ewing | Feb 13, 1917 00:00 |
|
US-1215406-A // Cutting-tool. // Frans Persson // American Telephone & Telegraph | |||
| Version 1 (current) | 176 kB | Shaun Ewing | Feb 13, 1917 00:00 | US-1215406-A // Cutting-tool. // Frans Persson // American Telephone & Telegraph | ||||
| PDF File 1215331.pdf | 466 kB | Shaun Ewing | Feb 13, 1917 00:00 |
|
US-1215331-A // Telephone toll system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 466 kB | Shaun Ewing | Feb 13, 1917 00:00 | US-1215331-A // Telephone toll system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1211274.pdf | 579 kB | Shaun Ewing | Jan 02, 1917 00:00 |
|
US-1211274-A // Party-line signaling system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Jan 02, 1917 00:00 | US-1211274-A // Party-line signaling system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1211044.pdf | 380 kB | Shaun Ewing | Jan 02, 1917 00:00 |
|
US-1211044-A // Signaling system. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 380 kB | Shaun Ewing | Jan 02, 1917 00:00 | US-1211044-A // Signaling system. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1210314.pdf | 478 kB | Shaun Ewing | Dec 26, 1916 00:00 |
|
US-1210314-A // Telephone toll system. // Alfred U. Hoefer ; Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 478 kB | Shaun Ewing | Dec 26, 1916 00:00 | US-1210314-A // Telephone toll system. // Alfred U. Hoefer ; Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1207836.pdf | 348 kB | Shaun Ewing | Dec 12, 1916 00:00 |
|
US-1207836-A // Connecting system for telephone-stations. // Leon D. Barrows // American Telephone & Telegraph | |||
| Version 1 (current) | 348 kB | Shaun Ewing | Dec 12, 1916 00:00 | US-1207836-A // Connecting system for telephone-stations. // Leon D. Barrows // American Telephone & Telegraph | ||||
| PDF File 1207447.pdf | 306 kB | Shaun Ewing | Dec 05, 1916 00:00 |
|
US-1207447-A // Cable-lubricating wheel. // Wallace M. Van Deusen ; Frans Persson // American Telephone & Telegraph | |||
| Version 1 (current) | 306 kB | Shaun Ewing | Dec 05, 1916 00:00 | US-1207447-A // Cable-lubricating wheel. // Wallace M. Van Deusen ; Frans Persson // American Telephone & Telegraph |