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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2193087.pdf | 591 kB | Shaun Ewing | Mar 12, 1940 00:00 |
|
US-2193087-A // Method and apparatus for testing receivers // Brown John T. L. ; Holman Erwin W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 591 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193087-A // Method and apparatus for testing receivers // Brown John T. L. ; Holman Erwin W. // Bell Telephone Labor Inc | ||||
| PDF File 2193093.pdf | 536 kB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193093-A // Alarm system // Gardner Leland A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 536 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193093-A // Alarm system // Gardner Leland A. // Bell Telephone Labor Inc | ||||
| PDF File 2193427.pdf | 721 kB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193427-A // Telephone system // Marrison Warren A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 721 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193427-A // Telephone system // Marrison Warren A. // Bell Telephone Labor Inc | ||||
| PDF File 2193450.pdf | 240 kB | Shaun Ewing | Mar 12, 1940 00:00 |
|
US-2193450-A // Wire joining means // Dixon John B. ; Gordon Chester S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 240 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193450-A // Wire joining means // Dixon John B. ; Gordon Chester S. // Bell Telephone Labor Inc | ||||
| PDF File 2193578.pdf | 783 kB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193578-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 783 kB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193578-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2193579.pdf | 1.07 MB | Shaun Ewing | Mar 12, 1940 00:00 |
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US-2193579-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.07 MB | Shaun Ewing | Mar 12, 1940 00:00 | US-2193579-A // Electron discharge apparatus // Bruce Edmond // Bell Telephone Labor Inc | ||||
| PDF File 2193855.pdf | 228 kB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2193855-A // Ringing system // Blount Frank E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 228 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2193855-A // Ringing system // Blount Frank E. // Bell Telephone Labor Inc | ||||
| PDF File 2194295.pdf | 226 kB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2194295-A // Wood filler // Clarke Walter J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 226 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194295-A // Wood filler // Clarke Walter J. // Bell Telephone Labor Inc | ||||
| PDF File 2194296.pdf | 445 kB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2194296-A // Selective switching device // Dickieson Alton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 445 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194296-A // Selective switching device // Dickieson Alton C. // Bell Telephone Labor Inc | ||||
| PDF File 2194298.pdf | 2.13 MB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2194298-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.13 MB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194298-A // System for the artificial production of vocal or other sounds // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2194306.pdf | 520 kB | Shaun Ewing | Mar 19, 1940 00:00 |
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US-2194306-A // Telephone calling dial // Huxham Trevor S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 520 kB | Shaun Ewing | Mar 19, 1940 00:00 | US-2194306-A // Telephone calling dial // Huxham Trevor S. // Bell Telephone Labor Inc | ||||
| PDF File 2194539.pdf | 662 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194539-A // Piezoelectric crystal impedance element // Barry Joseph F. ; Och Henry G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 662 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194539-A // Piezoelectric crystal impedance element // Barry Joseph F. ; Och Henry G. // Bell Telephone Labor Inc | ||||
| PDF File 2194543.pdf | 699 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194543-A // High frequency network structure // Curtis Harold E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 699 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194543-A // High frequency network structure // Curtis Harold E. // Bell Telephone Labor Inc | ||||
| PDF File 2194703.pdf | 369 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194703-A // Sealing of condensers and similar apparatus // Kater Joseph A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 369 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194703-A // Sealing of condensers and similar apparatus // Kater Joseph A. // Bell Telephone Labor Inc | ||||
| PDF File 2194705.pdf | 726 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194705-A // Testing equipment // Lang Wilmarth Y. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 726 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194705-A // Testing equipment // Lang Wilmarth Y. // Bell Telephone Labor Inc | ||||
| PDF File 2194918.pdf | 867 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194918-A // Telegraph system // Thorp Vaughn P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 867 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194918-A // Telegraph system // Thorp Vaughn P. // Bell Telephone Labor Inc | ||||
| PDF File 2194933.pdf | 507 kB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2194933-A // Switchboard cord reel // Fullerton William O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 507 kB | Shaun Ewing | Mar 26, 1940 00:00 | US-2194933-A // Switchboard cord reel // Fullerton William O. // Bell Telephone Labor Inc | ||||
| PDF File 2195081.pdf | 2.28 MB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2195081-A // Sound printing mechanism // Dudley Homer W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.28 MB | Shaun Ewing | Mar 26, 1940 00:00 | US-2195081-A // Sound printing mechanism // Dudley Homer W. // Bell Telephone Labor Inc | ||||
| PDF File 2195098.pdf | 1.01 MB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2195098-A // Electron discharge device // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.01 MB | Shaun Ewing | Mar 26, 1940 00:00 | US-2195098-A // Electron discharge device // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2195309.pdf | 1.02 MB | Shaun Ewing | Mar 26, 1940 00:00 |
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US-2195309-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.02 MB | Shaun Ewing | Mar 26, 1940 00:00 | US-2195309-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc |
