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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2338181.pdf | 624 kB | Shaun Ewing | Jan 04, 1944 00:00 |
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US-2338181-A // Switching mechanism // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 624 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338181-A // Switching mechanism // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2307525.pdf | 624 kB | Shaun Ewing | Jan 05, 1943 00:00 |
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US-2307525-A // Call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 624 kB | Shaun Ewing | Jan 05, 1943 00:00 | US-2307525-A // Call transmitter // Mallina Rudolph F. // Bell Telephone Labor Inc | ||||
| PDF File 2338218.pdf | 623 kB | Shaun Ewing | Jan 04, 1944 00:00 |
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US-2338218-A // Time-measuring device // Vroom Edward // Bell Telephone Labor Inc | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Jan 04, 1944 00:00 | US-2338218-A // Time-measuring device // Vroom Edward // Bell Telephone Labor Inc | ||||
| PDF File 2345925.pdf | 623 kB | Shaun Ewing | Apr 04, 1944 00:00 |
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US-2345925-A // Pulse-counting circuit // Ferrell Enoch B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 623 kB | Shaun Ewing | Apr 04, 1944 00:00 | US-2345925-A // Pulse-counting circuit // Ferrell Enoch B. // Bell Telephone Labor Inc | ||||
| PDF File 2283616.pdf | 621 kB | Shaun Ewing | May 19, 1942 00:00 |
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US-2283616-A // Oscillographic method of frequency setting or measurement // Slonczewski Thaddeus ; Stansel Frank R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 621 kB | Shaun Ewing | May 19, 1942 00:00 | US-2283616-A // Oscillographic method of frequency setting or measurement // Slonczewski Thaddeus ; Stansel Frank R. // Bell Telephone Labor Inc | ||||
| PDF File 2298679.pdf | 620 kB | Shaun Ewing | Oct 13, 1942 00:00 |
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US-2298679-A // Method of making resistors and resistance materials // Christensen Carl J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Oct 13, 1942 00:00 | US-2298679-A // Method of making resistors and resistance materials // Christensen Carl J. // Bell Telephone Labor Inc | ||||
| PDF File 2301023.pdf | 620 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2301023-A // Coupling network // Darlington Sidney // Bell Telephone Labor Inc | |||
| Version 1 (current) | 620 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2301023-A // Coupling network // Darlington Sidney // Bell Telephone Labor Inc | ||||
| PDF File 2247960.pdf | 619 kB | Shaun Ewing | Jul 01, 1941 00:00 |
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US-2247960-A // Tuning fork // Michaels Simon Eugene // Bell Telephone Labor Inc | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Jul 01, 1941 00:00 | US-2247960-A // Tuning fork // Michaels Simon Eugene // Bell Telephone Labor Inc | ||||
| PDF File 2336543.pdf | 619 kB | Shaun Ewing | Dec 14, 1943 00:00 |
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US-2336543-A // Digit signal translator // Hibbard Frank H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Dec 14, 1943 00:00 | US-2336543-A // Digit signal translator // Hibbard Frank H. // Bell Telephone Labor Inc | ||||
| PDF File 2342397.pdf | 619 kB | Shaun Ewing | Feb 22, 1944 00:00 |
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US-2342397-A // Constricting tool // Harley Joseph J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 619 kB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342397-A // Constricting tool // Harley Joseph J. // Bell Telephone Labor Inc | ||||
| PDF File 2386566.pdf | 618 kB | Shaun Ewing | Oct 09, 1945 00:00 |
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US-2386566-A // Telegraph signaling system // Nyquist Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Oct 09, 1945 00:00 | US-2386566-A // Telegraph signaling system // Nyquist Harry // Bell Telephone Labor Inc | ||||
| PDF File 2309490.pdf | 618 kB | Shaun Ewing | Jan 26, 1943 00:00 |
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US-2309490-A // Electric measuring apparatus // Young Clarence H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 618 kB | Shaun Ewing | Jan 26, 1943 00:00 | US-2309490-A // Electric measuring apparatus // Young Clarence H. // Bell Telephone Labor Inc | ||||
| PDF File 2288694.pdf | 617 kB | Shaun Ewing | Jul 07, 1942 00:00 |
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US-2288694-A // Method of and apparatus for extracting energy from a beam of velocity modulated electrons // Fry Thornton C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288694-A // Method of and apparatus for extracting energy from a beam of velocity modulated electrons // Fry Thornton C. // Bell Telephone Labor Inc | ||||
| PDF File 2269639.pdf | 617 kB | Shaun Ewing | Jan 13, 1942 00:00 |
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US-2269639-A // Pulse regenerator // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 617 kB | Shaun Ewing | Jan 13, 1942 00:00 | US-2269639-A // Pulse regenerator // Jr. Karl D. Swartzel, // Bell Telephone Labor Inc | ||||
| PDF File 2352635.pdf | 616 kB | Shaun Ewing | Jul 04, 1944 00:00 |
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US-2352635-A // Electron discharge device // Irwin John C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 616 kB | Shaun Ewing | Jul 04, 1944 00:00 | US-2352635-A // Electron discharge device // Irwin John C. // Bell Telephone Labor Inc | ||||
| PDF File 2328618.pdf | 615 kB | Shaun Ewing | Sept 07, 1943 00:00 |
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US-2328618-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Sept 07, 1943 00:00 | US-2328618-A // Telephone booth // Corso Frank S. // Bell Telephone Labor Inc | ||||
| PDF File 2360940.pdf | 615 kB | Shaun Ewing | Oct 24, 1944 00:00 |
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US-2360940-A // Negative resistance loading // Edwards Paul G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 615 kB | Shaun Ewing | Oct 24, 1944 00:00 | US-2360940-A // Negative resistance loading // Edwards Paul G. // Bell Telephone Labor Inc | ||||
| PDF File 2321710.pdf | 613 kB | Shaun Ewing | Jun 15, 1943 00:00 |
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US-2321710-A // Relay // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 613 kB | Shaun Ewing | Jun 15, 1943 00:00 | US-2321710-A // Relay // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2279821.pdf | 612 kB | Shaun Ewing | Apr 14, 1942 00:00 |
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US-2279821-A // Secondary electron emissive electrode // Hedberg Carl A. ; Mcnally James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 612 kB | Shaun Ewing | Apr 14, 1942 00:00 | US-2279821-A // Secondary electron emissive electrode // Hedberg Carl A. ; Mcnally James O. // Bell Telephone Labor Inc | ||||
| PDF File 2342593.pdf | 611 kB | Shaun Ewing | Feb 22, 1944 00:00 |
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US-2342593-A // Coin collector apparatus // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 611 kB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342593-A // Coin collector apparatus // Melick John M. // Bell Telephone Labor Inc |
