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H01J2229/505
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H
ELECTRICITY
H01
Electric elements
H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2229/00
Details of cathode ray tubes or electron beam tubes
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H01J2229/505
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Patents Grants
last 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
Patents Applications
last 30 patents