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Jan August Marcel Hofman
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Eindhoven, NL
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last 30 patents
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Patent Grant
Method of, and apparatus for, manufacturing a video record
Patent number
4,090,218
Issue date
May 16, 1978
U.S. Philips Corporation
Marinus Cornelis Willem van Buul
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Aperture correction circuit for television
Patent number
3,952,327
Issue date
Apr 20, 1976
U.S. Philips Corporation
Jan August Marcel Hofman
H04 - ELECTRIC COMMUNICATION TECHNIQUE