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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2093117.pdf | 18.00 MB | Shaun Ewing | Sept 14, 1937 00:00 |
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US-2093117-A // Telephone system // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 18.00 MB | Shaun Ewing | Sept 14, 1937 00:00 | US-2093117-A // Telephone system // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1958635.pdf | 14.52 MB | Shaun Ewing | May 15, 1934 00:00 |
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US-1958635-A // Sender testing system // Myers Oscar // Bell Telephone Labor Inc | |||
| Version 1 (current) | 14.52 MB | Shaun Ewing | May 15, 1934 00:00 | US-1958635-A // Sender testing system // Myers Oscar // Bell Telephone Labor Inc | ||||
| PDF File 2112951.pdf | 12.79 MB | Shaun Ewing | Apr 05, 1938 00:00 |
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US-2112951-A // Telephone system // Carpenter Warren W. ; Matthies William H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 12.79 MB | Shaun Ewing | Apr 05, 1938 00:00 | US-2112951-A // Telephone system // Carpenter Warren W. ; Matthies William H. // Bell Telephone Labor Inc | ||||
| PDF File 2165924.pdf | 11.21 MB | Shaun Ewing | Jul 11, 1939 00:00 |
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US-2165924-A // Telephone system // Goodrum Charles L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 11.21 MB | Shaun Ewing | Jul 11, 1939 00:00 | US-2165924-A // Telephone system // Goodrum Charles L. // Bell Telephone Labor Inc | ||||
| PDF File 2089921.pdf | 10.78 MB | Shaun Ewing | Aug 10, 1937 00:00 |
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US-2089921-A // Dial telephone system // Carpenter Warren W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 10.78 MB | Shaun Ewing | Aug 10, 1937 00:00 | US-2089921-A // Dial telephone system // Carpenter Warren W. // Bell Telephone Labor Inc | ||||
| PDF File 1897083.pdf | 9.94 MB | Shaun Ewing | Feb 14, 1933 00:00 |
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US-1897083-A // Telephone exchange system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.94 MB | Shaun Ewing | Feb 14, 1933 00:00 | US-1897083-A // Telephone exchange system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 2102671.pdf | 9.56 MB | Shaun Ewing | Dec 21, 1937 00:00 |
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US-2102671-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.56 MB | Shaun Ewing | Dec 21, 1937 00:00 | US-2102671-A // Wave translation system // Black Harold S. // Bell Telephone Labor Inc | ||||
| PDF File 2220931.pdf | 9.39 MB | Shaun Ewing | Nov 12, 1940 00:00 |
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US-2220931-A // Telegraph system // Krecek Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 9.39 MB | Shaun Ewing | Nov 12, 1940 00:00 | US-2220931-A // Telegraph system // Krecek Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 1896757.pdf | 8.63 MB | Shaun Ewing | Feb 07, 1933 00:00 |
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US-1896757-A // Telephone exchange system // Strickler Walter B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.63 MB | Shaun Ewing | Feb 07, 1933 00:00 | US-1896757-A // Telephone exchange system // Strickler Walter B. // Bell Telephone Labor Inc | ||||
| PDF File 1848174.pdf | 8.31 MB | Shaun Ewing | Mar 08, 1932 00:00 |
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US-1848174-A // Trouble recording system // Irvine Frank S. ; Roberts Thomas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.31 MB | Shaun Ewing | Mar 08, 1932 00:00 | US-1848174-A // Trouble recording system // Irvine Frank S. ; Roberts Thomas H. // Bell Telephone Labor Inc | ||||
| PDF File 1840132.pdf | 8.12 MB | Shaun Ewing | Jan 05, 1932 00:00 |
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US-1840132-A // Telephone system // Roberts Thomas H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 8.12 MB | Shaun Ewing | Jan 05, 1932 00:00 | US-1840132-A // Telephone system // Roberts Thomas H. // Bell Telephone Labor Inc | ||||
| PDF File 2224251.pdf | 7.67 MB | Shaun Ewing | Dec 10, 1940 00:00 |
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US-2224251-A // Telephone system // Busch Aloysius J. ; Erwin Edson L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 7.67 MB | Shaun Ewing | Dec 10, 1940 00:00 | US-2224251-A // Telephone system // Busch Aloysius J. ; Erwin Edson L. // Bell Telephone Labor Inc | ||||
| PDF File 2225688.pdf | 7.51 MB | Shaun Ewing | Dec 24, 1940 00:00 |
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US-2225688-A // Telephone testing circuit // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 7.51 MB | Shaun Ewing | Dec 24, 1940 00:00 | US-2225688-A // Telephone testing circuit // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2119239.pdf | 7.11 MB | Shaun Ewing | May 31, 1938 00:00 |
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US-2119239-A // Telephone system // Meszar John ; Wiese Floyd M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 7.11 MB | Shaun Ewing | May 31, 1938 00:00 | US-2119239-A // Telephone system // Meszar John ; Wiese Floyd M. // Bell Telephone Labor Inc | ||||
| PDF File 1862549.pdf | 6.94 MB | Shaun Ewing | Jun 14, 1932 00:00 |
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US-1862549-A // Telephone system // Raymond Ralph ; Scully Walter J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.94 MB | Shaun Ewing | Jun 14, 1932 00:00 | US-1862549-A // Telephone system // Raymond Ralph ; Scully Walter J. // Bell Telephone Labor Inc | ||||
| PDF File 2227380.pdf | 6.89 MB | Shaun Ewing | Dec 31, 1940 00:00 |
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US-2227380-A // Routine testing circuit // Retallack John B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.89 MB | Shaun Ewing | Dec 31, 1940 00:00 | US-2227380-A // Routine testing circuit // Retallack John B. // Bell Telephone Labor Inc | ||||
| PDF File 1916760.pdf | 6.58 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916760-A // Telephone exchange system // Henry Israel H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.58 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916760-A // Telephone exchange system // Henry Israel H. // Bell Telephone Labor Inc | ||||
| PDF File 1916761.pdf | 6.46 MB | Shaun Ewing | Jul 04, 1933 00:00 |
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US-1916761-A // Telephone exchange system // Henry Israel H. ; Hersey Ralph E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.46 MB | Shaun Ewing | Jul 04, 1933 00:00 | US-1916761-A // Telephone exchange system // Henry Israel H. ; Hersey Ralph E. // Bell Telephone Labor Inc | ||||
| PDF File 2213511.pdf | 6.11 MB | Shaun Ewing | Sept 03, 1940 00:00 |
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US-2213511-A // Telephone system // Bennett William // Bell Telephone Labor Inc | |||
| Version 1 (current) | 6.11 MB | Shaun Ewing | Sept 03, 1940 00:00 | US-2213511-A // Telephone system // Bennett William // Bell Telephone Labor Inc | ||||
| PDF File 1979020.pdf | 5.73 MB | Shaun Ewing | Oct 30, 1934 00:00 |
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US-1979020-A // Telephone exchange system // Whitney Wiley // Bell Telephone Labor Inc | |||
| Version 1 (current) | 5.73 MB | Shaun Ewing | Oct 30, 1934 00:00 | US-1979020-A // Telephone exchange system // Whitney Wiley // Bell Telephone Labor Inc |
