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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1801342.pdf | 611 kB | Shaun Ewing | Apr 21, 1931 00:00 |
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US-1801342-A // Electrical network // Gannett Danforth K. ; Kirkwood Maclean // American Telephone & Telegraph | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Apr 21, 1931 00:00 | US-1801342-A // Electrical network // Gannett Danforth K. ; Kirkwood Maclean // 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 1879746.pdf | 607 kB | Shaun Ewing | Sept 27, 1932 00:00 |
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US-1879746-A // Submarine concentric conductor system // Holden William H. T. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Sept 27, 1932 00:00 | US-1879746-A // Submarine concentric conductor system // Holden William H. T. // American Telephone & Telegraph | ||||
| PDF File 1814898.pdf | 607 kB | Shaun Ewing | Jul 14, 1931 00:00 |
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US-1814898-A // Measuring system // Deardorff Ralph W. // American Telephone & Telegraph | |||
| Version 1 (current) | 607 kB | Shaun Ewing | Jul 14, 1931 00:00 | US-1814898-A // Measuring system // Deardorff Ralph W. // American Telephone & Telegraph | ||||
| PDF File 1962196.pdf | 605 kB | Shaun Ewing | Jun 12, 1934 00:00 |
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US-1962196-A // High frequency oscillator // Hollmann Hans Erich // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Jun 12, 1934 00:00 | US-1962196-A // High frequency oscillator // Hollmann Hans Erich // American Telephone & Telegraph | ||||
| PDF File 2080524.pdf | 605 kB | Shaun Ewing | May 18, 1937 00:00 |
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US-2080524-A // Paper feeding apparatus for typing devices // Allen Howard D. // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | May 18, 1937 00:00 | US-2080524-A // Paper feeding apparatus for typing devices // Allen Howard D. // American Telephone & Telegraph | ||||
| PDF File 1882150.pdf | 605 kB | Shaun Ewing | Oct 11, 1932 00:00 |
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US-1882150-A // Manhole guard // Kent Robert J. // American Telephone & Telegraph | |||
| Version 1 (current) | 605 kB | Shaun Ewing | Oct 11, 1932 00:00 | US-1882150-A // Manhole guard // Kent Robert J. // American Telephone & Telegraph | ||||
| PDF File 2189119.pdf | 604 kB | Shaun Ewing | Feb 06, 1940 00:00 |
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US-2189119-A // Signal measuring system // Schluter John Jonathan // American Telephone & Telegraph | |||
| Version 1 (current) | 604 kB | Shaun Ewing | Feb 06, 1940 00:00 | US-2189119-A // Signal measuring system // Schluter John Jonathan // American Telephone & Telegraph | ||||
| PDF File 1996186.pdf | 603 kB | Shaun Ewing | Apr 02, 1935 00:00 |
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US-1996186-A // Transmission line conductor // Affel Herman A. // American Telephone & Telegraph | |||
| Version 1 (current) | 603 kB | Shaun Ewing | Apr 02, 1935 00:00 | US-1996186-A // Transmission line conductor // Affel Herman A. // American Telephone & Telegraph | ||||
| PDF File 1791577.pdf | 603 kB | Shaun Ewing | Feb 10, 1931 00:00 |
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US-1791577-A // Telegraph receiving system // Singer Fred J. // American Telephone & Telegraph | |||
| Version 1 (current) | 603 kB | Shaun Ewing | Feb 10, 1931 00:00 | US-1791577-A // Telegraph receiving system // Singer Fred J. // American Telephone & Telegraph | ||||
| PDF File 2066491.pdf | 601 kB | Shaun Ewing | Jan 05, 1937 00:00 |
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US-2066491-A // Switch // Sheatsley Paul Weidner // American Telephone & Telegraph | |||
| Version 1 (current) | 601 kB | Shaun Ewing | Jan 05, 1937 00:00 | US-2066491-A // Switch // Sheatsley Paul Weidner // American Telephone & Telegraph | ||||
| PDF File 2072287.pdf | 600 kB | Shaun Ewing | Mar 02, 1937 00:00 |
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US-2072287-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Mar 02, 1937 00:00 | US-2072287-A // Telephone transmission circuit // Wright Sumner Bisbee // American Telephone & Telegraph | ||||
| PDF File 2134820.pdf | 600 kB | Shaun Ewing | Nov 01, 1938 00:00 |
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US-2134820-A // Telegraph repeater // Hanley Frank H. // American Telephone & Telegraph | |||
| Version 1 (current) | 600 kB | Shaun Ewing | Nov 01, 1938 00:00 | US-2134820-A // Telegraph repeater // Hanley Frank H. // American Telephone & Telegraph | ||||
| PDF File 1888266.pdf | 599 kB | Shaun Ewing | Nov 22, 1932 00:00 |
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US-1888266-A // Measurement of cross-talk // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 599 kB | Shaun Ewing | Nov 22, 1932 00:00 | US-1888266-A // Measurement of cross-talk // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1795393.pdf | 598 kB | Shaun Ewing | Mar 10, 1931 00:00 |
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US-1795393-A // Reduction of interference // Herman Joseph // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Mar 10, 1931 00:00 | US-1795393-A // Reduction of interference // Herman Joseph // American Telephone & Telegraph | ||||
| PDF File 1931603.pdf | 598 kB | Shaun Ewing | Oct 24, 1933 00:00 |
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US-1931603-A // Telephone system // Darrow Wirt Edward // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Oct 24, 1933 00:00 | US-1931603-A // Telephone system // Darrow Wirt Edward // American Telephone & Telegraph | ||||
| PDF File 2045720.pdf | 598 kB | Shaun Ewing | Jun 30, 1936 00:00 |
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US-2045720-A // Telephone transmission circuit // Nyquist Harry ; Wright Sumner Bisbee ; Abraham Leonard Gladstone // American Telephone & Telegraph | |||
| Version 1 (current) | 598 kB | Shaun Ewing | Jun 30, 1936 00:00 | US-2045720-A // Telephone transmission circuit // Nyquist Harry ; Wright Sumner Bisbee ; Abraham Leonard Gladstone // American Telephone & Telegraph | ||||
| PDF File 2153128.pdf | 597 kB | Shaun Ewing | Apr 04, 1939 00:00 |
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US-2153128-A // Selective signaling system // Bachelet Albert E. ; Holden William H. T. // Bell Telephone Labor Inc ; American Telephone & Telegraph | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Apr 04, 1939 00:00 | US-2153128-A // Selective signaling system // Bachelet Albert E. ; Holden William H. T. // Bell Telephone Labor Inc ; American Telephone & Telegraph | ||||
| PDF File 2092851.pdf | 597 kB | Shaun Ewing | Sept 14, 1937 00:00 |
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US-2092851-A // Resetting circuits for gas-filled tubes // Osgood Dexter T. // American Telephone & Telegraph | |||
| Version 1 (current) | 597 kB | Shaun Ewing | Sept 14, 1937 00:00 | US-2092851-A // Resetting circuits for gas-filled tubes // Osgood Dexter T. // American Telephone & Telegraph | ||||
| PDF File 2031692.pdf | 595 kB | Shaun Ewing | Feb 25, 1936 00:00 |
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US-2031692-A // Telephone system // Carson Arthur // American Telephone & Telegraph | |||
| Version 1 (current) | 595 kB | Shaun Ewing | Feb 25, 1936 00:00 | US-2031692-A // Telephone system // Carson Arthur // American Telephone & Telegraph |
