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Michael C. Hettrick
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Berkeley, CA, US
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last 30 patents
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Patent Grant
Grating monochromators and spectrometers based on surface normal ro...
Patent number
5,274,435
Issue date
Dec 28, 1993
Michael C. Hettrick
G02 - OPTICS
Information
Patent Grant
Varied space diffraction grating and in-focus monochromator
Patent number
4,991,934
Issue date
Feb 12, 1991
Michael C. Hettrick
G02 - OPTICS
Information
Patent Grant
Aplanatic and quasi-aplanatic diffraction gratings
Patent number
4,798,446
Issue date
Jan 17, 1989
The United States of America as represented by the United States Department o...
Michael C. Hettrick
G02 - OPTICS
Information
Patent Grant
Optical system for high resolution spectrometer/monochromator
Patent number
4,776,696
Issue date
Oct 11, 1988
Hettrick; Michael C.
Michael C. Hettrick
G01 - MEASURING TESTING