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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2206410.pdf | 356 kB | Shaun Ewing | Jul 02, 1940 00:00 |
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US-2206410-A // Core for forming concrete conduits // Lally William J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Jul 02, 1940 00:00 | US-2206410-A // Core for forming concrete conduits // Lally William J. // Bell Telephone Labor Inc | ||||
| PDF File 1874374.pdf | 356 kB | Shaun Ewing | Aug 30, 1932 00:00 |
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US-1874374-A // Control system // Sole John H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Aug 30, 1932 00:00 | US-1874374-A // Control system // Sole John H. // Bell Telephone Labor Inc | ||||
| PDF File 1885728.pdf | 356 kB | Shaun Ewing | Nov 01, 1932 00:00 |
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US-1885728-A // Harmonic generating and selecting system // Keith Clyde R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 356 kB | Shaun Ewing | Nov 01, 1932 00:00 | US-1885728-A // Harmonic generating and selecting system // Keith Clyde R. // Bell Telephone Labor Inc | ||||
| PDF File 2210997.pdf | 355 kB | Shaun Ewing | Aug 13, 1940 00:00 |
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US-2210997-A // Feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Aug 13, 1940 00:00 | US-2210997-A // Feedback amplifier circuit // Anderson Frithiof B. // Bell Telephone Labor Inc | ||||
| PDF File 1880833.pdf | 355 kB | Shaun Ewing | Oct 04, 1932 00:00 |
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US-1880833-A // Electron discharge device // Crawford Allen I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Oct 04, 1932 00:00 | US-1880833-A // Electron discharge device // Crawford Allen I. // Bell Telephone Labor Inc | ||||
| PDF File 2017657.pdf | 355 kB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017657-A // Continuously loaded conductor // Harris James E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017657-A // Continuously loaded conductor // Harris James E. // Bell Telephone Labor Inc | ||||
| PDF File 1859930.pdf | 355 kB | Shaun Ewing | May 24, 1932 00:00 |
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US-1859930-A // Recording and reproduction of intelligence // Miller Ohmer R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | May 24, 1932 00:00 | US-1859930-A // Recording and reproduction of intelligence // Miller Ohmer R. // Bell Telephone Labor Inc | ||||
| PDF File 1940088.pdf | 355 kB | Shaun Ewing | Dec 19, 1933 00:00 |
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US-1940088-A // Sound picture record container // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Dec 19, 1933 00:00 | US-1940088-A // Sound picture record container // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2178151.pdf | 355 kB | Shaun Ewing | Oct 31, 1939 00:00 |
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US-2178151-A // Relay contact spring // Wagar Harold N. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Oct 31, 1939 00:00 | US-2178151-A // Relay contact spring // Wagar Harold N. // Bell Telephone Labor Inc | ||||
| PDF File 1939072.pdf | 355 kB | Shaun Ewing | Dec 12, 1933 00:00 |
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US-1939072-A // Phonograph recording machine // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 355 kB | Shaun Ewing | Dec 12, 1933 00:00 | US-1939072-A // Phonograph recording machine // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2093669.pdf | 354 kB | Shaun Ewing | Sept 21, 1937 00:00 |
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US-2093669-A // Vent plug for storage batteries // Forster Frank T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Sept 21, 1937 00:00 | US-2093669-A // Vent plug for storage batteries // Forster Frank T. // Bell Telephone Labor Inc | ||||
| PDF File 1844121.pdf | 354 kB | Shaun Ewing | Feb 09, 1932 00:00 |
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US-1844121-A // Electromagnetic switching device // Hibbard Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Feb 09, 1932 00:00 | US-1844121-A // Electromagnetic switching device // Hibbard Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 1904490.pdf | 354 kB | Shaun Ewing | Apr 18, 1933 00:00 |
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US-1904490-A // Turntable for phonographs // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Apr 18, 1933 00:00 | US-1904490-A // Turntable for phonographs // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2075783.pdf | 354 kB | Shaun Ewing | Mar 30, 1937 00:00 |
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US-2075783-A // Sound picture system // Roberts John G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 354 kB | Shaun Ewing | Mar 30, 1937 00:00 | US-2075783-A // Sound picture system // Roberts John G. // Bell Telephone Labor Inc | ||||
| PDF File 1914099.pdf | 353 kB | Shaun Ewing | Jun 13, 1933 00:00 |
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US-1914099-A // Acoustic device // Bedell Eual H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Jun 13, 1933 00:00 | US-1914099-A // Acoustic device // Bedell Eual H. // Bell Telephone Labor Inc | ||||
| PDF File 2154230.pdf | 353 kB | Shaun Ewing | Apr 11, 1939 00:00 |
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US-2154230-A // Signaling system // Cummings George C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Apr 11, 1939 00:00 | US-2154230-A // Signaling system // Cummings George C. // Bell Telephone Labor Inc | ||||
| PDF File 2105916.pdf | 353 kB | Shaun Ewing | Jan 18, 1938 00:00 |
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US-2105916-A // Sound reproducing system // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 353 kB | Shaun Ewing | Jan 18, 1938 00:00 | US-2105916-A // Sound reproducing system // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2118952.pdf | 352 kB | Shaun Ewing | May 31, 1938 00:00 |
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US-2118952-A // Loaded transmission line // Strieby Maurice E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | May 31, 1938 00:00 | US-2118952-A // Loaded transmission line // Strieby Maurice E. // Bell Telephone Labor Inc | ||||
| PDF File 2017659.pdf | 352 kB | Shaun Ewing | Oct 15, 1935 00:00 |
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US-2017659-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Oct 15, 1935 00:00 | US-2017659-A // Electrooptical system // Ives Herbert E. // Bell Telephone Labor Inc | ||||
| PDF File 2221833.pdf | 352 kB | Shaun Ewing | Nov 19, 1940 00:00 |
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US-2221833-A // System for measuring contact rebounding // Cory Samuel I. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 352 kB | Shaun Ewing | Nov 19, 1940 00:00 | US-2221833-A // System for measuring contact rebounding // Cory Samuel I. // Bell Telephone Labor Inc |
