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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2321912.pdf | 633 kB | Shaun Ewing | Jun 15, 1943 00:00 |
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US-2321912-A // Electron discharge apparatus // Hedberg Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Jun 15, 1943 00:00 | US-2321912-A // Electron discharge apparatus // Hedberg Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2332073.pdf | 633 kB | Shaun Ewing | Oct 19, 1943 00:00 |
|
US-2332073-A // Electric circuit control // Grierson Cyrus A. W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 633 kB | Shaun Ewing | Oct 19, 1943 00:00 | US-2332073-A // Electric circuit control // Grierson Cyrus A. W. // Bell Telephone Labor Inc | ||||
| PDF File 2365689.pdf | 632 kB | Shaun Ewing | Dec 26, 1944 00:00 |
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US-2365689-A // Signaling system // Duhnkrack George H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 632 kB | Shaun Ewing | Dec 26, 1944 00:00 | US-2365689-A // Signaling system // Duhnkrack George H. // Bell Telephone Labor Inc | ||||
| PDF File 2252747.pdf | 631 kB | Shaun Ewing | Aug 19, 1941 00:00 |
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US-2252747-A // Neutralizing arrangement for telegraph circuits // Wilkerson Jefferson R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 631 kB | Shaun Ewing | Aug 19, 1941 00:00 | US-2252747-A // Neutralizing arrangement for telegraph circuits // Wilkerson Jefferson R. // Bell Telephone Labor Inc | ||||
| PDF File 2265831.pdf | 630 kB | Shaun Ewing | Dec 09, 1941 00:00 |
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US-2265831-A // Method and apparatus for magnetic recording // Wooldridge Dean E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Dec 09, 1941 00:00 | US-2265831-A // Method and apparatus for magnetic recording // Wooldridge Dean E. // Bell Telephone Labor Inc | ||||
| PDF File 2240685.pdf | 630 kB | Shaun Ewing | May 06, 1941 00:00 |
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US-2240685-A // Cutting tool // Bond Walter L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 630 kB | Shaun Ewing | May 06, 1941 00:00 | US-2240685-A // Cutting tool // Bond Walter L. // Bell Telephone Labor Inc | ||||
| PDF File 2342245.pdf | 630 kB | Shaun Ewing | Feb 22, 1944 00:00 |
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US-2342245-A // Electric signaling // Bruce Edmond ; Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 630 kB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342245-A // Electric signaling // Bruce Edmond ; Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2362195.pdf | 629 kB | Shaun Ewing | Nov 07, 1944 00:00 |
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US-2362195-A // Electric wave amplifier with feedback // Edson James O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Nov 07, 1944 00:00 | US-2362195-A // Electric wave amplifier with feedback // Edson James O. // Bell Telephone Labor Inc | ||||
| PDF File 2300505.pdf | 629 kB | Shaun Ewing | Nov 03, 1942 00:00 |
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US-2300505-A // Selective system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Nov 03, 1942 00:00 | US-2300505-A // Selective system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2247028.pdf | 629 kB | Shaun Ewing | Jun 24, 1941 00:00 |
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US-2247028-A // Telephone booth cooling apparatus // Kuntz Frank A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Jun 24, 1941 00:00 | US-2247028-A // Telephone booth cooling apparatus // Kuntz Frank A. // Bell Telephone Labor Inc | ||||
| PDF File 2249808.pdf | 629 kB | Shaun Ewing | Jul 22, 1941 00:00 |
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US-2249808-A // Drainage system // Cash Claude C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Jul 22, 1941 00:00 | US-2249808-A // Drainage system // Cash Claude C. // Bell Telephone Labor Inc | ||||
| PDF File 2292342.pdf | 629 kB | Shaun Ewing | Aug 04, 1942 00:00 |
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US-2292342-A // Reflecting system for antennas // Schelkunoff Sergei A. ; Sharpless William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 629 kB | Shaun Ewing | Aug 04, 1942 00:00 | US-2292342-A // Reflecting system for antennas // Schelkunoff Sergei A. ; Sharpless William M. // Bell Telephone Labor Inc | ||||
| PDF File 2269108.pdf | 628 kB | Shaun Ewing | Jan 06, 1942 00:00 |
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US-2269108-A // Telephone ringer // Hubbell James D. ; Wiebusch Charles F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 628 kB | Shaun Ewing | Jan 06, 1942 00:00 | US-2269108-A // Telephone ringer // Hubbell James D. ; Wiebusch Charles F. // Bell Telephone Labor Inc | ||||
| PDF File 2298699.pdf | 627 kB | Shaun Ewing | Oct 13, 1942 00:00 |
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US-2298699-A // Translation device // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 627 kB | Shaun Ewing | Oct 13, 1942 00:00 | US-2298699-A // Translation device // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2322292.pdf | 626 kB | Shaun Ewing | Jun 22, 1943 00:00 |
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US-2322292-A // Bearing structure for relays and the like // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 626 kB | Shaun Ewing | Jun 22, 1943 00:00 | US-2322292-A // Bearing structure for relays and the like // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 2342238.pdf | 626 kB | Shaun Ewing | Feb 22, 1944 00:00 |
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US-2342238-A // Variable attenuation circuits // Barney Harold L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 626 kB | Shaun Ewing | Feb 22, 1944 00:00 | US-2342238-A // Variable attenuation circuits // Barney Harold L. // Bell Telephone Labor Inc | ||||
| PDF File 2269603.pdf | 625 kB | Shaun Ewing | Jan 13, 1942 00:00 |
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US-2269603-A // Measuring device // Jr. George H. Rockwood, // Bell Telephone Labor Inc | |||
| Version 1 (current) | 625 kB | Shaun Ewing | Jan 13, 1942 00:00 | US-2269603-A // Measuring device // Jr. George H. Rockwood, // Bell Telephone Labor Inc | ||||
| PDF File 2277206.pdf | 625 kB | Shaun Ewing | Mar 24, 1942 00:00 |
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US-2277206-A // Key sender // Cesareo Orfeo ; Rippere Robert O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 625 kB | Shaun Ewing | Mar 24, 1942 00:00 | US-2277206-A // Key sender // Cesareo Orfeo ; Rippere Robert O. // Bell Telephone Labor Inc | ||||
| PDF File 2277907.pdf | 625 kB | Shaun Ewing | Mar 31, 1942 00:00 |
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US-2277907-A // Telephone set // Jr. Walter D. Goodale, ; Herckmans Alfred ; Tillman Richard J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 625 kB | Shaun Ewing | Mar 31, 1942 00:00 | US-2277907-A // Telephone set // Jr. Walter D. Goodale, ; Herckmans Alfred ; Tillman Richard J. // Bell Telephone Labor Inc | ||||
| PDF File 2345967.pdf | 624 kB | Shaun Ewing | Apr 04, 1944 00:00 |
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US-2345967-A // Pneumatic ticket distributing system // Gent Edgar W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 624 kB | Shaun Ewing | Apr 04, 1944 00:00 | US-2345967-A // Pneumatic ticket distributing system // Gent Edgar W. // Bell Telephone Labor Inc |
