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Patents Grantslast 30 patents

Information Patent Grant
Multiple electron beam cathode ray tube
- Patent number 4,361,781
- Issue date Nov 30, 1982
- International Business Machines Corporation
- Steven W. Depp
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Multiple beam cathode ray tube with apertured cathode and control grid
- Patent number 4,301,389
- Issue date Nov 17, 1981
- International Business Machines Corp.
- Vernon D. Beck
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
CRT with field-emission cathode
- Patent number 4,178,531
- Issue date Dec 11, 1979
- RCA Corporation
- Roger C. Alig
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3843901
- Patent number 3,843,901
- Issue date Oct 22, 1974
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3748514
- Patent number 3,748,514
- Issue date Jul 24, 1973
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3714489
- Patent number 3,714,489
- Issue date Jan 30, 1973
- B82 - NANO-TECHNOLOGY
Information Patent Grant
3686727
- Patent number 3,686,727
- Issue date Aug 29, 1972
- B82 - NANO-TECHNOLOGY
Information Patent Grant
3551734
- Patent number 3,551,734
- Issue date Dec 29, 1970
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3519873
- Patent number 3,519,873
- Issue date Jul 7, 1970
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3382392
- Patent number 3,382,392
- Issue date May 7, 1968
- H01 - BASIC ELECTRIC ELEMENTS