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Richard R. Chang
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McKinney, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Infrared chopper using binary diffractive optics
Patent number
6,437,332
Issue date
Aug 20, 2002
Raytheon Company
Robert C. Gibbons
G02 - OPTICS
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Patent Grant
Infrared chopper using binary diffractive optics
Patent number
6,232,044
Issue date
May 15, 2001
Raytheon Company
Robert C. Gibbons
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Infrared chopper using binary diffractive optics
Publication number
20010038974
Publication date
Nov 8, 2001
Raytheon Company
Robert C. Gibbons
G02 - OPTICS