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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2108186.pdf | 547 kB | Shaun Ewing | Feb 15, 1938 00:00 |
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US-2108186-A // Two-way signaling system // Abraham Leonard Gladstone // American Telephone & Telegraph | |||
| Version 1 (current) | 547 kB | Shaun Ewing | Feb 15, 1938 00:00 | US-2108186-A // Two-way signaling system // Abraham Leonard Gladstone // American Telephone & Telegraph | ||||
| PDF File 2107387.pdf | 993 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107387-A // Vacuum tube with tank circuits // Potter Ralph Kimball // American Telephone & Telegraph | |||
| Version 1 (current) | 993 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107387-A // Vacuum tube with tank circuits // Potter Ralph Kimball // American Telephone & Telegraph | ||||
| PDF File 2107373.pdf | 989 kB | Shaun Ewing | Feb 08, 1938 00:00 |
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US-2107373-A // Apparatus for converting continuous motion into interrupted motion // Edwards Paul Griffith // American Telephone & Telegraph | |||
| Version 1 (current) | 989 kB | Shaun Ewing | Feb 08, 1938 00:00 | US-2107373-A // Apparatus for converting continuous motion into interrupted motion // Edwards Paul Griffith // American Telephone & Telegraph | ||||
| PDF File 2106805.pdf | 713 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106805-A // Teletypewriter // Lang Wilmarth Y. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 713 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106805-A // Teletypewriter // Lang Wilmarth Y. ; Watson Edward F. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2106771.pdf | 658 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106771-A // Ultrahigh frequency signaling // Southworth George Clark // American Telephone & Telegraph | |||
| Version 1 (current) | 658 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106771-A // Ultrahigh frequency signaling // Southworth George Clark // American Telephone & Telegraph | ||||
| PDF File 2106769.pdf | 589 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106769-A // Transmission of guided waves // Southworth George C. // American Telephone & Telegraph | |||
| Version 1 (current) | 589 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106769-A // Transmission of guided waves // Southworth George C. // American Telephone & Telegraph | ||||
| PDF File 2106768.pdf | 1.54 MB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106768-A // Filter system for high frequency electric waves // Southworth George C. // American Telephone & Telegraph | |||
| Version 1 (current) | 1.54 MB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106768-A // Filter system for high frequency electric waves // Southworth George C. // American Telephone & Telegraph | ||||
| PDF File 2106725.pdf | 385 kB | Shaun Ewing | Feb 01, 1938 00:00 |
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US-2106725-A // Dielectric guide system // Curtis Harold Everdell // American Telephone & Telegraph | |||
| Version 1 (current) | 385 kB | Shaun Ewing | Feb 01, 1938 00:00 | US-2106725-A // Dielectric guide system // Curtis Harold Everdell // American Telephone & Telegraph | ||||
| PDF File 2106286.pdf | 408 kB | Shaun Ewing | Jan 25, 1938 00:00 |
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US-2106286-A // Gas-filled tube circuits // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 408 kB | Shaun Ewing | Jan 25, 1938 00:00 | US-2106286-A // Gas-filled tube circuits // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2105592.pdf | 303 kB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105592-A // Educational device // Hathaway Lloyd Albro ; Fay Harry H. // American Telephone & Telegraph | |||
| Version 1 (current) | 303 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105592-A // Educational device // Hathaway Lloyd Albro ; Fay Harry H. // American Telephone & Telegraph | ||||
| PDF File 2105587.pdf | 608 kB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105587-A // Earth boring machine // Darnell Eugene ; Enoch Henry L. ; Grubb Joel N. ; Freeman Albert E. // American Telephone & Telegraph | |||
| Version 1 (current) | 608 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105587-A // Earth boring machine // Darnell Eugene ; Enoch Henry L. ; Grubb Joel N. ; Freeman Albert E. // American Telephone & Telegraph | ||||
| PDF File 2104861.pdf | 270 kB | Shaun Ewing | Jan 11, 1938 00:00 |
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US-2104861-A // Vacuum tube circuits // Gannett Danforth K. // American Telephone & Telegraph | |||
| Version 1 (current) | 270 kB | Shaun Ewing | Jan 11, 1938 00:00 | US-2104861-A // Vacuum tube circuits // Gannett Danforth K. // American Telephone & Telegraph | ||||
| PDF File 2104844.pdf | 469 kB | Shaun Ewing | Jan 11, 1938 00:00 |
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US-2104844-A // Vacuum tube circuit // Affel Herman Andrew // American Telephone & Telegraph | |||
| Version 1 (current) | 469 kB | Shaun Ewing | Jan 11, 1938 00:00 | US-2104844-A // Vacuum tube circuit // Affel Herman Andrew // American Telephone & Telegraph | ||||
| PDF File 2104142.pdf | 675 kB | Shaun Ewing | Jan 04, 1938 00:00 |
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US-2104142-A // Gas-filled tube circuits // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 675 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104142-A // Gas-filled tube circuits // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2104128.pdf | 578 kB | Shaun Ewing | Jan 04, 1938 00:00 |
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US-2104128-A // Gas discharge tube delay circuit // Honaman Richard Karl ; Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 578 kB | Shaun Ewing | Jan 04, 1938 00:00 | US-2104128-A // Gas discharge tube delay circuit // Honaman Richard Karl ; Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2103439.pdf | 1.01 MB | Shaun Ewing | Dec 28, 1937 00:00 |
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US-2103439-A // Gas-filled tube // Swart Leland Kasson // American Telephone & Telegraph | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103439-A // Gas-filled tube // Swart Leland Kasson // American Telephone & Telegraph | ||||
| PDF File 2103430.pdf | 317 kB | Shaun Ewing | Dec 28, 1937 00:00 |
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US-2103430-A // Electrical protective system // Maurer Keith L. ; Swart Leland K. // American Telephone & Telegraph | |||
| Version 1 (current) | 317 kB | Shaun Ewing | Dec 28, 1937 00:00 | US-2103430-A // Electrical protective system // Maurer Keith L. ; Swart Leland K. // American Telephone & Telegraph | ||||
| PDF File 2102735.pdf | 400 kB | Shaun Ewing | Dec 21, 1937 00:00 |
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US-2102735-A // Carrier telegraph system // Neiswinter James T. // American Telephone & Telegraph | |||
| Version 1 (current) | 400 kB | Shaun Ewing | Dec 21, 1937 00:00 | US-2102735-A // Carrier telegraph system // Neiswinter James T. // American Telephone & Telegraph | ||||
| PDF File 2102708.pdf | 378 kB | Shaun Ewing | Dec 21, 1937 00:00 |
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US-2102708-A // Signal testing apparatus // Howle Louis W. // American Telephone & Telegraph | |||
| Version 1 (current) | 378 kB | Shaun Ewing | Dec 21, 1937 00:00 | US-2102708-A // Signal testing apparatus // Howle Louis W. // American Telephone & Telegraph | ||||
| PDF File 2101995.pdf | 833 kB | Shaun Ewing | Dec 14, 1937 00:00 |
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US-2101995-A // Telegraph switching system // Gardner Leland Adams ; Singer Fred John // American Telephone & Telegraph | |||
| Version 1 (current) | 833 kB | Shaun Ewing | Dec 14, 1937 00:00 | US-2101995-A // Telegraph switching system // Gardner Leland Adams ; Singer Fred John // American Telephone & Telegraph |
