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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 502660.pdf | 442 kB | Shaun Ewing | Aug 01, 1893 00:00 |
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US-502660-A // Electric switchboard-signal // Francis W. Dunbar, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 442 kB | Shaun Ewing | Aug 01, 1893 00:00 | US-502660-A // Electric switchboard-signal // Francis W. Dunbar, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1340989.pdf | 441 kB | Shaun Ewing | May 25, 1920 00:00 |
|
US-1340989-A // Aerial-cable guide // Smith Temple Clifford // American Telephone & Telegraph | |||
| Version 1 (current) | 441 kB | Shaun Ewing | May 25, 1920 00:00 | US-1340989-A // Aerial-cable guide // Smith Temple Clifford // American Telephone & Telegraph | ||||
| PDF File 981015.pdf | 438 kB | Shaun Ewing | Jan 10, 1911 00:00 |
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US-981015-A // Phantomed loaded circuit. // Thomas Shaw // American Telephone & Telegraph | |||
| Version 1 (current) | 438 kB | Shaun Ewing | Jan 10, 1911 00:00 | US-981015-A // Phantomed loaded circuit. // Thomas Shaw // American Telephone & Telegraph | ||||
| PDF File 1039988.pdf | 435 kB | Shaun Ewing | Oct 01, 1912 00:00 |
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US-1039988-A // Controlling apparatus. // Edward C. Molina // American Telephone & Telegraph | |||
| Version 1 (current) | 435 kB | Shaun Ewing | Oct 01, 1912 00:00 | US-1039988-A // Controlling apparatus. // Edward C. Molina // American Telephone & Telegraph | ||||
| PDF File 845157.pdf | 434 kB | Shaun Ewing | Feb 26, 1907 00:00 |
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US-845157-A // Composite telephonic and telegraphic circuit. // George M. Yorke // American Telephone & Telegraph | |||
| Version 1 (current) | 434 kB | Shaun Ewing | Feb 26, 1907 00:00 | US-845157-A // Composite telephonic and telegraphic circuit. // George M. Yorke // American Telephone & Telegraph | ||||
| PDF File 1223376.pdf | 433 kB | Shaun Ewing | Apr 24, 1917 00:00 |
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US-1223376-A // Wireless receiving system. // Lloyd Espenschied // American Telephone & Telegraph | |||
| Version 1 (current) | 433 kB | Shaun Ewing | Apr 24, 1917 00:00 | US-1223376-A // Wireless receiving system. // Lloyd Espenschied // American Telephone & Telegraph | ||||
| PDF File 1280969.pdf | 431 kB | Shaun Ewing | Oct 08, 1918 00:00 |
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US-1280969-A // Through-ringing amplifier. // Charles S. Demarest // American Telephone & Telegraph | |||
| Version 1 (current) | 431 kB | Shaun Ewing | Oct 08, 1918 00:00 | US-1280969-A // Through-ringing amplifier. // Charles S. Demarest // American Telephone & Telegraph | ||||
| PDF File 1362612.pdf | 430 kB | Shaun Ewing | Dec 21, 1920 00:00 |
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US-1362612-A // Wireless receiving system // Espenschied Lloyd // American Telephone & Telegraph | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Dec 21, 1920 00:00 | US-1362612-A // Wireless receiving system // Espenschied Lloyd // American Telephone & Telegraph | ||||
| PDF File 1312574.pdf | 425 kB | Shaun Ewing | Aug 12, 1919 00:00 |
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US-1312574-A // Secret-signaling system // Ralph E. Pierce, Of New York // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 425 kB | Shaun Ewing | Aug 12, 1919 00:00 | US-1312574-A // Secret-signaling system // Ralph E. Pierce, Of New York // American Telephone & Telegraph, New York NY | ||||
| PDF File 1358777.pdf | 421 kB | Shaun Ewing | Nov 16, 1920 00:00 |
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US-1358777-A // Signaling-circuits for electric railways // Osborne Harold S. // American Telephone & Telegraph | |||
| Version 1 (current) | 421 kB | Shaun Ewing | Nov 16, 1920 00:00 | US-1358777-A // Signaling-circuits for electric railways // Osborne Harold S. // American Telephone & Telegraph | ||||
| PDF File 1351863.pdf | 419 kB | Shaun Ewing | Sept 07, 1920 00:00 |
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US-1351863-A // Telephone-repeater // Mills John // American Telephone & Telegraph | |||
| Version 1 (current) | 419 kB | Shaun Ewing | Sept 07, 1920 00:00 | US-1351863-A // Telephone-repeater // Mills John // American Telephone & Telegraph | ||||
| PDF File 1055863.pdf | 411 kB | Shaun Ewing | Mar 11, 1913 00:00 |
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US-1055863-A // Telephone signaling system. // William G. Blauvelt // American Telephone & Telegraph | |||
| Version 1 (current) | 411 kB | Shaun Ewing | Mar 11, 1913 00:00 | US-1055863-A // Telephone signaling system. // William G. Blauvelt // American Telephone & Telegraph | ||||
| PDF File 1277274.pdf | 408 kB | Shaun Ewing | Aug 27, 1918 00:00 |
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US-1277274-A // Artificial-line-selecting system. // John F. Toomey ; Walter V. H. Read // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Aug 27, 1918 00:00 | US-1277274-A // Artificial-line-selecting system. // John F. Toomey ; Walter V. H. Read // American Telephone & Telegraph | ||||
| PDF File 1308726.pdf | 407 kB | Shaun Ewing | Jul 01, 1919 00:00 |
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US-1308726-A // Means for Controlling Artificial Lines. // John F. Toomey, Of New Yokk, And Chables S. Demaeest, of Flatbtjsh, New York, // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 407 kB | Shaun Ewing | Jul 01, 1919 00:00 | US-1308726-A // Means for Controlling Artificial Lines. // John F. Toomey, Of New Yokk, And Chables S. Demaeest, of Flatbtjsh, New York, // American Telephone & Telegraph, New York NY | ||||
| PDF File 1358053.pdf | 405 kB | Shaun Ewing | Nov 09, 1920 00:00 |
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US-1358053-A // Telephone system for auditoriums // Bascom Henry M. // American Telephone & Telegraph | |||
| Version 1 (current) | 405 kB | Shaun Ewing | Nov 09, 1920 00:00 | US-1358053-A // Telephone system for auditoriums // Bascom Henry M. // American Telephone & Telegraph | ||||
| PDF File 1279882.pdf | 404 kB | Shaun Ewing | Sept 24, 1918 00:00 |
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US-1279882-A // Signaling system. // George W. Kuhn // American Telephone & Telegraph | |||
| Version 1 (current) | 404 kB | Shaun Ewing | Sept 24, 1918 00:00 | US-1279882-A // Signaling system. // George W. Kuhn // American Telephone & Telegraph | ||||
| PDF File 749388.pdf | 402 kB | Shaun Ewing | Dec 01, 1904 00:00 |
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US-749388-A // Locking device for telephone apparatus. // Sherwood J. Larned ; James S. Ford // American Telephone & Telegraph | |||
| Version 1 (current) | 402 kB | Shaun Ewing | Dec 01, 1904 00:00 | US-749388-A // Locking device for telephone apparatus. // Sherwood J. Larned ; James S. Ford // American Telephone & Telegraph | ||||
| PDF File 1219760.pdf | 400 kB | Shaun Ewing | Mar 20, 1917 00:00 |
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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 1313413.pdf | 397 kB | Shaun Ewing | Aug 19, 1919 00:00 |
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US-1313413-A // Composite ringing apparatus // Harold S. Osbobne, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Aug 19, 1919 00:00 | US-1313413-A // Composite ringing apparatus // Harold S. Osbobne, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 840987.pdf | 396 kB | Shaun Ewing | Jan 08, 1907 00:00 |
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US-840987-A // Telegraph-relay. // William E. Athearn // American Telephone & Telegraph | |||
| Version 1 (current) | 396 kB | Shaun Ewing | Jan 08, 1907 00:00 | US-840987-A // Telegraph-relay. // William E. Athearn // American Telephone & Telegraph |
