Darrell F. Hatch

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Palmdale, CA, US

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Patents Grantslast 30 patents

Information 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
Information 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