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Darrell F. Hatch
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Palmdale, CA, US
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last 30 patents
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Patent Grant
Apparatus and method for monitoring holographic light protection fi...
Patent number
5,602,656
Issue date
Feb 11, 1997
Hughes Electronics
John E. Wreede
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
High efficiency holograms by multiple-layer holography
Patent number
5,162,927
Issue date
Nov 10, 1992
Hughes Aircraft Company
Gaylord E. Moss
G02 - OPTICS