Derek H. Mash

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Harlow, GB

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Patents Grantslast 30 patents

Information Patent Grant
Smectic liquid crystal cell with heat pulse and laser
- Patent number 4,477,151
- Issue date Oct 16, 1984
- ITT Industries, Inc.
- Derek H. Mash
- G02 - OPTICS
Information Patent Grant
Liquid crystal rotator
- Patent number 4,114,990
- Issue date Sep 19, 1978
- International Standard Electric Corporation
- Derek H. Mash
- G02 - OPTICS