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Richard J. Steinmetz
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Elk Grove Village, IL, US
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last 30 patents
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Patent Grant
Shutdown circuit for video monitor
Patent number
4,749,919
Issue date
Jun 7, 1988
Zenith Electronics Corporation
Gregory J. Beaumont
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Temperature compensated drive circuit for CRT G2 grid
Patent number
4,645,988
Issue date
Feb 24, 1987
Zenith Electronics Corporation
George R. Gawell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Regulated video display terminal power supply
Patent number
4,321,512
Issue date
Mar 23, 1982
Zenith Radio Corporation
Robert J. Alvord
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Anti-spot burn protection for CRT
Patent number
4,275,338
Issue date
Jun 23, 1981
Zenith Radio Corporation
Wayne Grocki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Horizontal drive circuit for video display
Patent number
4,263,615
Issue date
Apr 21, 1981
Zenith Radio Corporation
Richard J. Steinmetz
H04 - ELECTRIC COMMUNICATION TECHNIQUE