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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2233621.pdf | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 498 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233621-A // Pole-piece assembly for telegraphones // Lovell Clarence A. ; Muller Arno H. ; Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2233848.pdf | 298 kB | Shaun Ewing | Mar 04, 1941 00:00 |
|
US-2233848-A // Audiphone // Polk Robert E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 298 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233848-A // Audiphone // Polk Robert E. // Bell Telephone Labor Inc | ||||
| PDF File 2233860.pdf | 710 kB | Shaun Ewing | Mar 04, 1941 00:00 |
|
US-2233860-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 710 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233860-A // Modulating system // Wise Raymond O. // Bell Telephone Labor Inc | ||||
| PDF File 2233876.pdf | 2.35 MB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233876-A // Electrooptical system // Skellett Albert M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 2.35 MB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233876-A // Electrooptical system // Skellett Albert M. // Bell Telephone Labor Inc | ||||
| PDF File 2233884.pdf | 269 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233884-A // Thermal switch // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 269 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233884-A // Thermal switch // Gent Edgar W. // Bell Telephone Labor Inc | ||||
| PDF File 2233886.pdf | 397 kB | Shaun Ewing | Mar 04, 1941 00:00 |
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US-2233886-A // Acoustic device // Cowley Greer W. ; Kannenberg Walter F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 397 kB | Shaun Ewing | Mar 04, 1941 00:00 | US-2233886-A // Acoustic device // Cowley Greer W. ; Kannenberg Walter F. // Bell Telephone Labor Inc | ||||
| PDF File 2234213.pdf | 302 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234213-A // Tone signal source for telephone signaling systems // Wrathall Leishman R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 302 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234213-A // Tone signal source for telephone signaling systems // Wrathall Leishman R. // Bell Telephone Labor Inc | ||||
| PDF File 2234576.pdf | 409 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234576-A // Casing for electrical apparatus // Ranges John E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 409 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234576-A // Casing for electrical apparatus // Ranges John E. // Bell Telephone Labor Inc | ||||
| PDF File 2234587.pdf | 1.62 MB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234587-A // Radio direction finding system // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.62 MB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234587-A // Radio direction finding system // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 2234687.pdf | 329 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234687-A // Balanced vacuum tube circuit // Budenbom Horace T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 329 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234687-A // Balanced vacuum tube circuit // Budenbom Horace T. // Bell Telephone Labor Inc | ||||
| PDF File 2234690.pdf | 363 kB | Shaun Ewing | Mar 11, 1941 00:00 |
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US-2234690-A // Inverter oscillator // Depp Wallace A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 363 kB | Shaun Ewing | Mar 11, 1941 00:00 | US-2234690-A // Inverter oscillator // Depp Wallace A. // Bell Telephone Labor Inc | ||||
| PDF File 2235007.pdf | 1.16 MB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235007-A // Signal transmission system // Bjornson Bjorn G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.16 MB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235007-A // Signal transmission system // Bjornson Bjorn G. // Bell Telephone Labor Inc | ||||
| PDF File 2235010.pdf | 895 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235010-A // Ultra-short wave transmitting and receiving system // Chaffee Joseph G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 895 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235010-A // Ultra-short wave transmitting and receiving system // Chaffee Joseph G. // Bell Telephone Labor Inc | ||||
| PDF File 2235126.pdf | 764 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235126-A // Magnetic telegraphone // Towne Charles C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 764 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235126-A // Magnetic telegraphone // Towne Charles C. // Bell Telephone Labor Inc | ||||
| PDF File 2235132.pdf | 314 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235132-A // Magnetic telegraphone // Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 314 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235132-A // Magnetic telegraphone // Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2235153.pdf | 964 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235153-A // Chain start circuit // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 964 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235153-A // Chain start circuit // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2235411.pdf | 501 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235411-A // Regenerative repeater // Watson Edward F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 501 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235411-A // Regenerative repeater // Watson Edward F. // Bell Telephone Labor Inc | ||||
| PDF File 2235491.pdf | 732 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235491-A // Regulator system // Trucksess David E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 732 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235491-A // Regulator system // Trucksess David E. // Bell Telephone Labor Inc | ||||
| PDF File 2235506.pdf | 1.33 MB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235506-A // Ultra short wave radio system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.33 MB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235506-A // Ultra short wave radio system // Schelkunoff Sergei A. // Bell Telephone Labor Inc | ||||
| PDF File 2235521.pdf | 413 kB | Shaun Ewing | Mar 18, 1941 00:00 |
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US-2235521-A // Frequency indicator // Higgins William H. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 413 kB | Shaun Ewing | Mar 18, 1941 00:00 | US-2235521-A // Frequency indicator // Higgins William H. C. // Bell Telephone Labor Inc |
