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John D. Margerum
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Woodland Hills, CA, US
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last 30 patents
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Patent Grant
Battery fabrication method using supercritical carbon dioxide
Patent number
6,273,921
Issue date
Aug 14, 2001
The Boeing Company
Thomas B. Stanford
H01 - BASIC ELECTRIC ELEMENTS
Information
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
Information
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
Information
Patent Grant
Light valves with positive dielectric anisotropy liquid crystal and...
Patent number
4,917,472
Issue date
Apr 17, 1990
Hughes Aircraft Company
John D. Margerum
G02 - OPTICS
Information
Patent Grant
Process for inducing perpendicular alignment of liquid crystals
Patent number
4,464,134
Issue date
Aug 7, 1984
Hughes Aircraft Company
Anna M. Lackner
G02 - OPTICS
Information
Patent Grant
Package for making photopolymerized plates
Patent number
4,036,647
Issue date
Jul 19, 1977
Hughes Aircraft Company
Robert G. Brault
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY