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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| 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 1281084.pdf | 595 kB | Shaun Ewing | Oct 08, 1918 00:00 |
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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 1283687.pdf | 1.01 MB | Shaun Ewing | Nov 05, 1918 00:00 |
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US-1283687-A // Signaling system. // Leo H. Darrow // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Nov 05, 1918 00:00 | US-1283687-A // Signaling system. // Leo H. Darrow // American Telephone & Telegraph | ||||
| PDF File 1287831.pdf | 670 kB | Shaun Ewing | Dec 17, 1918 00:00 |
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US-1287831-A // System for compensating for differences of potentials. // Henry M. Bascom // American Telephone & Telegraph | |||
| Version 1 (current) | 670 kB | Shaun Ewing | Dec 17, 1918 00:00 | US-1287831-A // System for compensating for differences of potentials. // Henry M. Bascom // American Telephone & Telegraph | ||||
| PDF File 1288709.pdf | 1.40 MB | Shaun Ewing | Dec 24, 1918 00:00 |
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US-1288709-A // Duplex balancing-circuits. // Thomas Shaw // American Telephone & Telegraph | |||
| Version 1 (current) | 1.40 MB | Shaun Ewing | Dec 24, 1918 00:00 | US-1288709-A // Duplex balancing-circuits. // Thomas Shaw // American Telephone & Telegraph | ||||
| PDF File 1290808.pdf | 743 kB | Shaun Ewing | Jan 07, 1919 00:00 |
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US-1290808-A // Composite ringing apparatus. // John F. Toomey // American Telephone & Telegraph | |||
| Version 1 (current) | 743 kB | Shaun Ewing | Jan 07, 1919 00:00 | US-1290808-A // Composite ringing apparatus. // John F. Toomey // American Telephone & Telegraph | ||||
| PDF File 1295816.pdf | 807 kB | Shaun Ewing | Feb 25, 1919 00:00 |
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US-1295816-A // Testing apparatus for four-wire repeater-circuits. // John F. Toomey // American Telephone & Telegraph | |||
| Version 1 (current) | 807 kB | Shaun Ewing | Feb 25, 1919 00:00 | US-1295816-A // Testing apparatus for four-wire repeater-circuits. // John F. Toomey // American Telephone & Telegraph | ||||
| PDF File 1301827.pdf | 268 kB | Shaun Ewing | Apr 29, 1919 00:00 |
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US-1301827-A // Test-connector. // William L. Flye // American Telephone & Telegraph | |||
| Version 1 (current) | 268 kB | Shaun Ewing | Apr 29, 1919 00:00 | US-1301827-A // Test-connector. // William L. Flye // 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 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 1309400.pdf | 522 kB | Shaun Ewing | Jul 08, 1919 00:00 |
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US-1309400-A // espenschied // Lloyd Espenschied, Of New York // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 522 kB | Shaun Ewing | Jul 08, 1919 00:00 | US-1309400-A // espenschied // Lloyd Espenschied, Of New York // American Telephone & Telegraph, New York NY | ||||
| PDF File 1309459.pdf | 520 kB | Shaun Ewing | Jul 08, 1919 00:00 |
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US-1309459-A // Wireless signaling system // John B. Cabson, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Jul 08, 1919 00:00 | US-1309459-A // Wireless signaling system // John B. Cabson, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1309538.pdf | 754 kB | Shaun Ewing | Jul 08, 1919 00:00 |
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US-1309538-A // Wireless system // John Mills, Of Wyoming, New Jersey, And John R. Carson, Of New York, N. Y.,<br> // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Jul 08, 1919 00:00 | US-1309538-A // Wireless system // John Mills, Of Wyoming, New Jersey, And John R. Carson, Of New York, N. Y.,<br> // American Telephone & Telegraph, New York NY | ||||
| PDF File 1310730.pdf | 1.33 MB | Shaun Ewing | Jul 22, 1919 00:00 |
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US-1310730-A // Planograph co // William: G. Blaijvelt, Of N. Y // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Jul 22, 1919 00:00 | US-1310730-A // Planograph co // William: G. Blaijvelt, Of N. Y // American Telephone & Telegraph, New York NY | ||||
| PDF File 1312433.pdf | 496 kB | Shaun Ewing | Aug 05, 1919 00:00 |
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US-1312433-A // carson // John B. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 496 kB | Shaun Ewing | Aug 05, 1919 00:00 | US-1312433-A // carson // John B. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| 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 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 1314827.pdf | 845 kB | Shaun Ewing | Sept 02, 1919 00:00 |
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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 | ||||
| PDF File 1315539.pdf | 688 kB | Shaun Ewing | Sept 09, 1919 00:00 |
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US-1315539-A // carson // John R. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | |||
| Version 1 (current) | 688 kB | Shaun Ewing | Sept 09, 1919 00:00 | US-1315539-A // carson // John R. Carson, Of N. Y. // American Telephone & Telegraph, New York NY | ||||
| PDF File 1318088.pdf | 449 kB | Shaun Ewing | Oct 07, 1919 00:00 |
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US-1318088-A // Combination-tool. // Charles H. Klein // American Telephone & Telegraph | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Oct 07, 1919 00:00 | US-1318088-A // Combination-tool. // Charles H. Klein // American Telephone & Telegraph |
