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Henry H. Blau Jr.
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Wayland, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Light equalizer and method of making same
Patent number
4,112,028
Issue date
Sep 5, 1978
Environmental Research & Technology, Inc.
Henry H. Blau
G02 - OPTICS
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Patent Grant
Method of making a light equalizer
Patent number
4,111,731
Issue date
Sep 5, 1978
Environmental Research & Technology, Inc.
Henry H. Blau
G02 - OPTICS
Information
Patent Grant
Light equalizer
Patent number
3,970,375
Issue date
Jul 20, 1976
Environmental Research & Technology, Inc.
Henry H. Blau
G02 - OPTICS