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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 2466390.pdf | 928 kB | Shaun Ewing | Apr 05, 1949 00:00 |
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US-2466390-A // Secret telegraph system // Dehn Joseph W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 928 kB | Shaun Ewing | Apr 05, 1949 00:00 | US-2466390-A // Secret telegraph system // Dehn Joseph W. // Bell Telephone Labor Inc | ||||
| PDF File 2516752.pdf | 927 kB | Shaun Ewing | Jul 25, 1950 00:00 |
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US-2516752-A // Coding tube for pulse code modulation signals // Carbrey Robert L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 927 kB | Shaun Ewing | Jul 25, 1950 00:00 | US-2516752-A // Coding tube for pulse code modulation signals // Carbrey Robert L. // Bell Telephone Labor Inc | ||||
| PDF File 2408108.pdf | 925 kB | Shaun Ewing | Sept 24, 1946 00:00 |
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US-2408108-A // Television image production // Teal Gordon K. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 925 kB | Shaun Ewing | Sept 24, 1946 00:00 | US-2408108-A // Television image production // Teal Gordon K. // Bell Telephone Labor Inc | ||||
| PDF File 2467319.pdf | 924 kB | Shaun Ewing | Apr 12, 1949 00:00 |
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US-2467319-A // Unitary range, azimuth, and elevation alignment indicator for radar systems // King Kenneth L. ; Wintringham William T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 924 kB | Shaun Ewing | Apr 12, 1949 00:00 | US-2467319-A // Unitary range, azimuth, and elevation alignment indicator for radar systems // King Kenneth L. ; Wintringham William T. // Bell Telephone Labor Inc | ||||
| PDF File 2402582.pdf | 924 kB | Shaun Ewing | Jun 25, 1946 00:00 |
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US-2402582-A // Preparation of silicon materials // Scaff Jack H. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 924 kB | Shaun Ewing | Jun 25, 1946 00:00 | US-2402582-A // Preparation of silicon materials // Scaff Jack H. // Bell Telephone Labor Inc | ||||
| PDF File 2530957.pdf | 920 kB | Shaun Ewing | Nov 21, 1950 00:00 |
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US-2530957-A // Time division system for modulated pulse transmission // Gilman George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 920 kB | Shaun Ewing | Nov 21, 1950 00:00 | US-2530957-A // Time division system for modulated pulse transmission // Gilman George W. // Bell Telephone Labor Inc | ||||
| PDF File 2483733.pdf | 920 kB | Shaun Ewing | Oct 04, 1949 00:00 |
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US-2483733-A // Switch bank coating machine // Miller Victor F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 920 kB | Shaun Ewing | Oct 04, 1949 00:00 | US-2483733-A // Switch bank coating machine // Miller Victor F. // Bell Telephone Labor Inc | ||||
| PDF File 2408809.pdf | 919 kB | Shaun Ewing | Oct 08, 1946 00:00 |
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US-2408809-A // Cathode beam tube and velocity control electrode // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 919 kB | Shaun Ewing | Oct 08, 1946 00:00 | US-2408809-A // Cathode beam tube and velocity control electrode // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2424244.pdf | 918 kB | Shaun Ewing | Jul 22, 1947 00:00 |
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US-2424244-A // Circuit for locking service observing teletypewriter during supervisory signal reception // Marshall Tola A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 918 kB | Shaun Ewing | Jul 22, 1947 00:00 | US-2424244-A // Circuit for locking service observing teletypewriter during supervisory signal reception // Marshall Tola A. // Bell Telephone Labor Inc | ||||
| PDF File 2517960.pdf | 917 kB | Shaun Ewing | Aug 08, 1950 00:00 |
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US-2517960-A // Self-biased solid amplifier // Barney Harold L. ; Mathes Robert C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 917 kB | Shaun Ewing | Aug 08, 1950 00:00 | US-2517960-A // Self-biased solid amplifier // Barney Harold L. ; Mathes Robert C. // Bell Telephone Labor Inc | ||||
| PDF File 2444435.pdf | 916 kB | Shaun Ewing | Jul 06, 1948 00:00 |
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US-2444435-A // Frequency control of magnetron oscillators // Fisk James B. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 916 kB | Shaun Ewing | Jul 06, 1948 00:00 | US-2444435-A // Frequency control of magnetron oscillators // Fisk James B. // Bell Telephone Labor Inc | ||||
| PDF File 2467325.pdf | 916 kB | Shaun Ewing | Apr 12, 1949 00:00 |
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US-2467325-A // Electrooptical light valve of ammonium dihydrogen phosphate crystal // Mason Warren P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 916 kB | Shaun Ewing | Apr 12, 1949 00:00 | US-2467325-A // Electrooptical light valve of ammonium dihydrogen phosphate crystal // Mason Warren P. // Bell Telephone Labor Inc | ||||
| PDF File 2406034.pdf | 916 kB | Shaun Ewing | Aug 20, 1946 00:00 |
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US-2406034-A // Carrier wave signaling system // Phelps Walter A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 916 kB | Shaun Ewing | Aug 20, 1946 00:00 | US-2406034-A // Carrier wave signaling system // Phelps Walter A. // Bell Telephone Labor Inc | ||||
| PDF File 2470838.pdf | 913 kB | Shaun Ewing | May 24, 1949 00:00 |
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US-2470838-A // Power supply system // Stoller Hugh M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 913 kB | Shaun Ewing | May 24, 1949 00:00 | US-2470838-A // Power supply system // Stoller Hugh M. // Bell Telephone Labor Inc | ||||
| PDF File 2414121.pdf | 912 kB | Shaun Ewing | Jan 14, 1947 00:00 |
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US-2414121-A // Electron device of the magnetron type // Pierce John R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 912 kB | Shaun Ewing | Jan 14, 1947 00:00 | US-2414121-A // Electron device of the magnetron type // Pierce John R. // Bell Telephone Labor Inc | ||||
| PDF File 2481458.pdf | 911 kB | Shaun Ewing | Sept 06, 1949 00:00 |
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US-2481458-A // Cathode-ray device // Wertz Hugh S. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 911 kB | Shaun Ewing | Sept 06, 1949 00:00 | US-2481458-A // Cathode-ray device // Wertz Hugh S. // Bell Telephone Labor Inc | ||||
| PDF File 2506429.pdf | 911 kB | Shaun Ewing | May 02, 1950 00:00 |
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US-2506429-A // Selective signaling system // Melick John M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 911 kB | Shaun Ewing | May 02, 1950 00:00 | US-2506429-A // Selective signaling system // Melick John M. // Bell Telephone Labor Inc | ||||
| PDF File 2441153.pdf | 911 kB | Shaun Ewing | May 11, 1948 00:00 |
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US-2441153-A // Cable laying machine // Kent Robert J. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 911 kB | Shaun Ewing | May 11, 1948 00:00 | US-2441153-A // Cable laying machine // Kent Robert J. // Bell Telephone Labor Inc | ||||
| PDF File 2509929.pdf | 908 kB | Shaun Ewing | May 30, 1950 00:00 |
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US-2509929-A // Method of making cable joints // Kleinfelder Walter C. ; Sharpe Duncan T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 908 kB | Shaun Ewing | May 30, 1950 00:00 | US-2509929-A // Method of making cable joints // Kleinfelder Walter C. ; Sharpe Duncan T. // Bell Telephone Labor Inc | ||||
| PDF File 2520007.pdf | 908 kB | Shaun Ewing | Aug 22, 1950 00:00 |
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US-2520007-A // Testing circuit for carrier communication system with automatic reset timer // Hochgraf Lester // Bell Telephone Labor Inc | |||
| Version 1 (current) | 908 kB | Shaun Ewing | Aug 22, 1950 00:00 | US-2520007-A // Testing circuit for carrier communication system with automatic reset timer // Hochgraf Lester // Bell Telephone Labor Inc |