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 897028.pdf | 632 kB | Shaun Ewing | Aug 25, 1908 00:00 |
|
US-897028-A // Circuit system for telephone repeating apparatus. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Aug 25, 1908 00:00 | US-897028-A // Circuit system for telephone repeating apparatus. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 792248.pdf | 631 kB | Shaun Ewing | Jun 13, 1905 00:00 |
|
US-792248-A // Induction-coil. // George A. Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Jun 13, 1905 00:00 | US-792248-A // Induction-coil. // George A. Campbell // American Telephone & Telegraph | ||||
| PDF File 1198214.pdf | 628 kB | Shaun Ewing | Sept 12, 1916 00:00 |
|
US-1198214-A // Telephone system. // Elwood Grissinger // American Telephone & Telegraph | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Sept 12, 1916 00:00 | US-1198214-A // Telephone system. // Elwood Grissinger // American Telephone & Telegraph | ||||
| PDF File 732795.pdf | 627 kB | Shaun Ewing | Jul 07, 1903 00:00 |
|
US-732795-A // Substation telephone-circuit. // Almon B. Stetson // American Telephone & Telegraph | |||
| Version 1 (current) | 627 kB | Shaun Ewing | Jul 07, 1903 00:00 | US-732795-A // Substation telephone-circuit. // Almon B. Stetson // American Telephone & Telegraph | ||||
| PDF File 708539.pdf | 611 kB | Shaun Ewing | Sept 09, 1902 00:00 |
|
US-708539-A // Vibratory-current relay. // John M. Fell // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Sept 09, 1902 00:00 | US-708539-A // Vibratory-current relay. // John M. Fell // American Telephone & Telegraph | ||||
| PDF File 1097030.pdf | 609 kB | Shaun Ewing | May 19, 1914 00:00 |
|
US-1097030-A // Cable telegraphy. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 609 kB | Shaun Ewing | May 19, 1914 00:00 | US-1097030-A // Cable telegraphy. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 940654.pdf | 601 kB | Shaun Ewing | Nov 23, 1909 00:00 |
|
US-940654-A // Art of nullifying inductive disturbances. // William E. Athearn // American Telephone & Telegraph | |||
| Version 1 (current) | 601 kB | Shaun Ewing | Nov 23, 1909 00:00 | US-940654-A // Art of nullifying inductive disturbances. // William E. Athearn // American Telephone & Telegraph | ||||
| PDF File 350715.pdf | 600 kB | Shaun Ewing | Oct 12, 1886 00:00 |
|
US-350715-A // Telephone-circuit. // John A. Baekett, Of // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Oct 12, 1886 00:00 | US-350715-A // Telephone-circuit. // John A. Baekett, Of // American Telephone & Telegraph, New York NY | ||||
| PDF File 637846.pdf | 599 kB | Shaun Ewing | Nov 28, 1899 00:00 |
|
US-637846-A // Electrical and selective signaling. // John A. Barrett // American Telephone & Telegraph | |||
| Version 1 (current) | 599 kB | Shaun Ewing | Nov 28, 1899 00:00 | US-637846-A // Electrical and selective signaling. // John A. Barrett // American Telephone & Telegraph | ||||
| PDF File 1281084.pdf | 595 kB | Shaun Ewing | Oct 08, 1918 00:00 |
|
US-1281084-A // Demagnetizing apparatus. // Thomas Shaw ; Clement J. Koukol // American Telephone & Telegraph | |||
| Version 1 (current) | 595 kB | Shaun Ewing | Oct 08, 1918 00:00 | US-1281084-A // Demagnetizing apparatus. // Thomas Shaw ; Clement J. Koukol // American Telephone & Telegraph | ||||
| PDF File 492471.pdf | 593 kB | Shaun Ewing | Feb 28, 1893 00:00 |
|
US-492471-A // System of combined telephony and telegraphy // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 593 kB | Shaun Ewing | Feb 28, 1893 00:00 | US-492471-A // System of combined telephony and telegraphy // Frank A. Pickernell, of New Jersey // American Telephone & Telegraph, New York NY | ||||
| PDF File 1233768.pdf | 590 kB | Shaun Ewing | Jul 17, 1917 00:00 |
|
US-1233768-A // Inductance device. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 590 kB | Shaun Ewing | Jul 17, 1917 00:00 | US-1233768-A // Inductance device. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1343308.pdf | 586 kB | Shaun Ewing | Jun 15, 1920 00:00 |
|
US-1343308-A // Duplex translating-circuits // Carson John R. // American Telephone & Telegraph | |||
| Version 1 (current) | 586 kB | Shaun Ewing | Jun 15, 1920 00:00 | US-1343308-A // Duplex translating-circuits // Carson John R. // American Telephone & Telegraph | ||||
| PDF File 940658.pdf | 583 kB | Shaun Ewing | Nov 23, 1909 00:00 |
|
US-940658-A // System for nullifying inductive disturbances. // John A. Barrett // American Telephone & Telegraph | |||
| Version 1 (current) | 583 kB | Shaun Ewing | Nov 23, 1909 00:00 | US-940658-A // System for nullifying inductive disturbances. // John A. Barrett // American Telephone & Telegraph | ||||
| PDF File 1092956.pdf | 582 kB | Shaun Ewing | Apr 14, 1914 00:00 |
|
US-1092956-A // Means for reducing reflection losses in duplex circuits. // Thomas Shaw // American Telephone & Telegraph | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Apr 14, 1914 00:00 | US-1092956-A // Means for reducing reflection losses in duplex circuits. // Thomas Shaw // American Telephone & Telegraph | ||||
| PDF File 1326719.pdf | 582 kB | Shaun Ewing | Dec 30, 1919 00:00 |
|
US-1326719-A // System of generating electrical currents // Otto A. Fretjnd, of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 582 kB | Shaun Ewing | Dec 30, 1919 00:00 | US-1326719-A // System of generating electrical currents // Otto A. Fretjnd, of N. Y. // American Telephone & Telegraph, New York NY | ||||
| 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 863247.pdf | 568 kB | Shaun Ewing | Aug 13, 1907 00:00 |
|
US-863247-A // Method of and apparatus for transmitting electrical energy. // Walter C. Yeatman // American Telephone & Telegraph | |||
| Version 1 (current) | 568 kB | Shaun Ewing | Aug 13, 1907 00:00 | US-863247-A // Method of and apparatus for transmitting electrical energy. // Walter C. Yeatman // American Telephone & Telegraph | ||||
| PDF File 1099380.pdf | 562 kB | Shaun Ewing | Jun 09, 1914 00:00 |
|
US-1099380-A // Cable-telegraph system. // Isidor Kitsee // American Telephone & Telegraph | |||
| Version 1 (current) | 562 kB | Shaun Ewing | Jun 09, 1914 00:00 | US-1099380-A // Cable-telegraph system. // Isidor Kitsee // American Telephone & Telegraph | ||||
| PDF File 753918.pdf | 559 kB | Shaun Ewing | Mar 08, 1904 00:00 |
|
US-753918-A // Polarized relay. // Malcolm C. Rorty // American Telephone & Telegraph | |||
| Version 1 (current) | 559 kB | Shaun Ewing | Mar 08, 1904 00:00 | US-753918-A // Polarized relay. // Malcolm C. Rorty // American Telephone & Telegraph |
