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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2237413.pdf | 757 kB | Shaun Ewing | Apr 08, 1941 00:00 |
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US-2237413-A // Telephone system // Clark John W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 757 kB | Shaun Ewing | Apr 08, 1941 00:00 | US-2237413-A // Telephone system // Clark John W. // Bell Telephone Labor Inc | ||||
| PDF File 2295171.pdf | 757 kB | Shaun Ewing | Sept 08, 1942 00:00 |
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US-2295171-A // Telephone system // Edwards William H. ; Herckmans Alfred // Bell Telephone Labor Inc | |||
| Version 1 (current) | 757 kB | Shaun Ewing | Sept 08, 1942 00:00 | US-2295171-A // Telephone system // Edwards William H. ; Herckmans Alfred // Bell Telephone Labor Inc | ||||
| PDF File 2301472.pdf | 757 kB | Shaun Ewing | Nov 10, 1942 00:00 |
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US-2301472-A // Switching mechanism // Stockfleth Sigurd J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 757 kB | Shaun Ewing | Nov 10, 1942 00:00 | US-2301472-A // Switching mechanism // Stockfleth Sigurd J. // Bell Telephone Labor Inc | ||||
| PDF File 2374962.pdf | 756 kB | Shaun Ewing | May 01, 1945 00:00 |
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US-2374962-A // Telephone set // Shann Oscar A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | May 01, 1945 00:00 | US-2374962-A // Telephone set // Shann Oscar A. // Bell Telephone Labor Inc | ||||
| PDF File 2288811.pdf | 756 kB | Shaun Ewing | Jul 07, 1942 00:00 |
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US-2288811-A // Switching device // Leveridge Walter J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Jul 07, 1942 00:00 | US-2288811-A // Switching device // Leveridge Walter J. // Bell Telephone Labor Inc | ||||
| PDF File 2361203.pdf | 756 kB | Shaun Ewing | Oct 24, 1944 00:00 |
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US-2361203-A // Electron discharge device and method of manufacture // Holdaway Vivian L. ; Thurber Elmer A. ; Wooten Leland A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Oct 24, 1944 00:00 | US-2361203-A // Electron discharge device and method of manufacture // Holdaway Vivian L. ; Thurber Elmer A. ; Wooten Leland A. // Bell Telephone Labor Inc | ||||
| PDF File 2313410.pdf | 756 kB | Shaun Ewing | Mar 09, 1943 00:00 |
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US-2313410-A // Preparation of boron compositions // Walther Henry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Mar 09, 1943 00:00 | US-2313410-A // Preparation of boron compositions // Walther Henry // Bell Telephone Labor Inc | ||||
| PDF File 2364445.pdf | 756 kB | Shaun Ewing | Dec 05, 1944 00:00 |
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US-2364445-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 756 kB | Shaun Ewing | Dec 05, 1944 00:00 | US-2364445-A // Telephone system // Hubbard Francis A. // Bell Telephone Labor Inc | ||||
| PDF File 2271072.pdf | 755 kB | Shaun Ewing | Jan 27, 1942 00:00 |
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US-2271072-A // Telephone system // Halligan Clair W. ; Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Jan 27, 1942 00:00 | US-2271072-A // Telephone system // Halligan Clair W. ; Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2267557.pdf | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 |
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US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Dec 23, 1941 00:00 | US-2267557-A // Two-way repeating circuit // Espenschied Lloyd ; Mertz Pierre // Bell Telephone Labor Inc | ||||
| PDF File 2327782.pdf | 755 kB | Shaun Ewing | Aug 24, 1943 00:00 |
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US-2327782-A // Calling dial device // Goff Harold W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 755 kB | Shaun Ewing | Aug 24, 1943 00:00 | US-2327782-A // Calling dial device // Goff Harold W. // Bell Telephone Labor Inc | ||||
| PDF File 2280303.pdf | 754 kB | Shaun Ewing | Apr 21, 1942 00:00 |
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US-2280303-A // Electron multiplier system // Reynolds Frederick W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 754 kB | Shaun Ewing | Apr 21, 1942 00:00 | US-2280303-A // Electron multiplier system // Reynolds Frederick W. // Bell Telephone Labor Inc | ||||
| PDF File 2245581.pdf | 748 kB | Shaun Ewing | Jun 17, 1941 00:00 |
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US-2245581-A // Electron discharge device // Ekstrand Sture O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | Jun 17, 1941 00:00 | US-2245581-A // Electron discharge device // Ekstrand Sture O. // Bell Telephone Labor Inc | ||||
| PDF File 2282392.pdf | 748 kB | Shaun Ewing | May 12, 1942 00:00 |
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US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 748 kB | Shaun Ewing | May 12, 1942 00:00 | US-2282392-A // Electron discharge device // Bieling Carl A. // Bell Telephone Labor Inc | ||||
| PDF File 2231085.pdf | 747 kB | Shaun Ewing | Feb 11, 1941 00:00 |
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US-2231085-A // Method and apparatus for measuring force factors // Morrison Louis A. ; Mott Edward E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Feb 11, 1941 00:00 | US-2231085-A // Method and apparatus for measuring force factors // Morrison Louis A. ; Mott Edward E. // Bell Telephone Labor Inc | ||||
| PDF File 2352081.pdf | 747 kB | Shaun Ewing | Jun 20, 1944 00:00 |
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US-2352081-A // Transmission control in two-way signal transmission systems // Davis Kingsbury H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Jun 20, 1944 00:00 | US-2352081-A // Transmission control in two-way signal transmission systems // Davis Kingsbury H. // Bell Telephone Labor Inc | ||||
| PDF File 2299898.pdf | 747 kB | Shaun Ewing | Oct 27, 1942 00:00 |
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US-2299898-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 747 kB | Shaun Ewing | Oct 27, 1942 00:00 | US-2299898-A // Telephone system // Holden William H. T. // Bell Telephone Labor Inc | ||||
| PDF File 2345932.pdf | 746 kB | Shaun Ewing | Apr 04, 1944 00:00 |
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US-2345932-A // Measuring apparatus // Gould King E. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 746 kB | Shaun Ewing | Apr 04, 1944 00:00 | US-2345932-A // Measuring apparatus // Gould King E. // Bell Telephone Labor Inc | ||||
| PDF File 2372193.pdf | 745 kB | Shaun Ewing | Mar 27, 1945 00:00 |
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US-2372193-A // Producing and transmitting electromagnetic waves // Fisk James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 745 kB | Shaun Ewing | Mar 27, 1945 00:00 | US-2372193-A // Producing and transmitting electromagnetic waves // Fisk James B. // Bell Telephone Labor Inc | ||||
| PDF File 2303015.pdf | 744 kB | Shaun Ewing | Nov 24, 1942 00:00 |
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US-2303015-A // Emergency conference circuit // Beaumont William M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 744 kB | Shaun Ewing | Nov 24, 1942 00:00 | US-2303015-A // Emergency conference circuit // Beaumont William M. // Bell Telephone Labor Inc |
