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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 820176.pdf | 917 kB | Shaun Ewing | May 08, 1906 00:00 |
|
US-820176-A // Telephone-system. // Charles L. Boyce // American Telephone & Telegraph | |||
| Version 1 (current) | 917 kB | Shaun Ewing | May 08, 1906 00:00 | US-820176-A // Telephone-system. // Charles L. Boyce // American Telephone & Telegraph | ||||
| PDF File 1218274.pdf | 916 kB | Shaun Ewing | Mar 06, 1917 00:00 |
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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 736002.pdf | 914 kB | Shaun Ewing | Aug 11, 1903 00:00 |
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US-736002-A // Busy-test apparatus for telephone-switchboards. // Joseph J. O'Connell // American Telephone & Telegraph | |||
| Version 1 (current) | 914 kB | Shaun Ewing | Aug 11, 1903 00:00 | US-736002-A // Busy-test apparatus for telephone-switchboards. // Joseph J. O'Connell // American Telephone & Telegraph | ||||
| PDF File 760143.pdf | 910 kB | Shaun Ewing | May 17, 1904 00:00 |
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US-760143-A // Apparatus for amplifying or reinforcing telephone-currents. // Joseph J. O'Connell // American Telephone & Telegraph | |||
| Version 1 (current) | 910 kB | Shaun Ewing | May 17, 1904 00:00 | US-760143-A // Apparatus for amplifying or reinforcing telephone-currents. // Joseph J. O'Connell // American Telephone & Telegraph | ||||
| PDF File 1089426.pdf | 910 kB | Shaun Ewing | Mar 10, 1914 00:00 |
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US-1089426-A // Translating and registering apparatus. // Edward C. Molina // American Telephone & Telegraph | |||
| Version 1 (current) | 910 kB | Shaun Ewing | Mar 10, 1914 00:00 | US-1089426-A // Translating and registering apparatus. // Edward C. Molina // American Telephone & Telegraph | ||||
| PDF File 1221188.pdf | 909 kB | Shaun Ewing | Apr 03, 1917 00:00 |
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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 1353031.pdf | 908 kB | Shaun Ewing | Sept 14, 1920 00:00 |
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US-1353031-A // Vacuum-bulb for signaling apparatus // Demarest Charles S. // American Telephone & Telegraph | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Sept 14, 1920 00:00 | US-1353031-A // Vacuum-bulb for signaling apparatus // Demarest Charles S. // American Telephone & Telegraph | ||||
| PDF File 1002388.pdf | 906 kB | Shaun Ewing | Sept 05, 1911 00:00 |
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US-1002388-A // Method of and means for connecting telephone apparatus. // Ernest A. Gray // American Telephone & Telegraph | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Sept 05, 1911 00:00 | US-1002388-A // Method of and means for connecting telephone apparatus. // Ernest A. Gray // American Telephone & Telegraph | ||||
| PDF File 833816.pdf | 906 kB | Shaun Ewing | Oct 23, 1906 00:00 |
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US-833816-A // Telephone-circuit signaling apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | |||
| Version 1 (current) | 906 kB | Shaun Ewing | Oct 23, 1906 00:00 | US-833816-A // Telephone-circuit signaling apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | ||||
| PDF File 1251363.pdf | 904 kB | Shaun Ewing | Dec 25, 1917 00:00 |
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US-1251363-A // Signaling system. // Bancroft Gherardi // American Telephone & Telegraph | |||
| Version 1 (current) | 904 kB | Shaun Ewing | Dec 25, 1917 00:00 | US-1251363-A // Signaling system. // Bancroft Gherardi // American Telephone & Telegraph | ||||
| PDF File 1144560.pdf | 897 kB | Shaun Ewing | Jun 29, 1915 00:00 |
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US-1144560-A // Indicating system. // Edward C. Molina // American Telephone & Telegraph | |||
| Version 1 (current) | 897 kB | Shaun Ewing | Jun 29, 1915 00:00 | US-1144560-A // Indicating system. // Edward C. Molina // American Telephone & Telegraph | ||||
| PDF File 1227113.pdf | 889 kB | Shaun Ewing | May 22, 1917 00:00 |
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US-1227113-A // Electric wave-filter. // George A. Campbell // American Telephone & Telegraph | |||
| Version 1 (current) | 889 kB | Shaun Ewing | May 22, 1917 00:00 | US-1227113-A // Electric wave-filter. // George A. Campbell // American Telephone & Telegraph | ||||
| PDF File 1220238.pdf | 873 kB | Shaun Ewing | Mar 27, 1917 00:00 |
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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 1245341.pdf | 869 kB | Shaun Ewing | Nov 06, 1917 00:00 |
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US-1245341-A // Service-observing system. // Henry L. Hoffmann // American Telephone & Telegraph | |||
| Version 1 (current) | 869 kB | Shaun Ewing | Nov 06, 1917 00:00 | US-1245341-A // Service-observing system. // Henry L. Hoffmann // American Telephone & Telegraph | ||||
| PDF File 1308725.pdf | 865 kB | Shaun Ewing | Jul 01, 1919 00:00 |
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US-1308725-A // Seljecting-ciscitit for Artificial Lines. // John F. Toomeyyof New York. And Charles S. Dsmabest, Of Flatbttsh, New York, // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 865 kB | Shaun Ewing | Jul 01, 1919 00:00 | US-1308725-A // Seljecting-ciscitit for Artificial Lines. // John F. Toomeyyof New York. And Charles S. Dsmabest, Of Flatbttsh, New York, // American Telephone & Telegraph, New York NY | ||||
| PDF File 833906.pdf | 862 kB | Shaun Ewing | Oct 23, 1906 00:00 |
|
US-833906-A // Telephone switching and busy-test apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | |||
| Version 1 (current) | 862 kB | Shaun Ewing | Oct 23, 1906 00:00 | US-833906-A // Telephone switching and busy-test apparatus. // James G. Wray ; Herbert T. Gardner ; William G. Kinton // American Telephone & Telegraph | ||||
| PDF File 712801.pdf | 853 kB | Shaun Ewing | Nov 04, 1902 00:00 |
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US-712801-A // Switchboard and supervisory signal circuit. // David S. Hulfish // American Telephone & Telegraph | |||
| Version 1 (current) | 853 kB | Shaun Ewing | Nov 04, 1902 00:00 | US-712801-A // Switchboard and supervisory signal circuit. // David S. Hulfish // American Telephone & Telegraph | ||||
| PDF File 1361488.pdf | 851 kB | Shaun Ewing | Dec 07, 1920 00:00 |
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US-1361488-A // Plural modulation system // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 851 kB | Shaun Ewing | Dec 07, 1920 00:00 | US-1361488-A // Plural modulation system // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 791656.pdf | 848 kB | Shaun Ewing | Jun 06, 1905 00:00 |
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US-791656-A // Telephone-current reinforcer or relay. // Herbert E. Shreeve // American Telephone & Telegraph | |||
| Version 1 (current) | 848 kB | Shaun Ewing | Jun 06, 1905 00:00 | US-791656-A // Telephone-current reinforcer or relay. // Herbert E. Shreeve // American Telephone & Telegraph | ||||
| PDF File 1314827.pdf | 845 kB | Shaun Ewing | Sept 02, 1919 00:00 |
|
US-1314827-A // osborne // Harold S. Osborne, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 845 kB | Shaun Ewing | Sept 02, 1919 00:00 | US-1314827-A // osborne // Harold S. Osborne, Of N. Y. // American Telephone & Telegraph, New York NY |
