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Charles R. Allison
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Flint, MI, US
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last 30 patents
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Patent Grant
Head up display with incident light filter
Patent number
5,486,840
Issue date
Jan 23, 1996
Delco Electronics Corporation
Diego A. Borrego
G02 - OPTICS
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Patent Grant
Polymer dispersed liquid crystal film devices
Patent number
5,096,282
Issue date
Mar 17, 1992
Hughes Aircraft Co.
John D. Margerum
G02 - OPTICS
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Patent Grant
Polymer dispersed liquid crystal film devices, and method of formin...
Patent number
4,938,568
Issue date
Jul 3, 1990
Hughes Aircraft Company
John D. Margerum
G02 - OPTICS