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David Von Kohorn
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Menlo Park, CA, US
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last 30 patents
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Patent Grant
Light-conductive device for illuminating centripetally viewed three...
Patent number
4,729,069
Issue date
Mar 1, 1988
Henry Von Kohorn
G02 - OPTICS
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Patent Grant
Illuminating system for three-dimensional objects
Patent number
4,672,513
Issue date
Jun 9, 1987
Henry Von Kohorn
G02 - OPTICS
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Patent Grant
Light-conductive device for illuminating centripetally viewed three...
Patent number
4,630,177
Issue date
Dec 16, 1986
Henry Von Kohorn
B44 - DECORATIVE ARTS
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Patent Grant
Light-reflective device for illuminating centripetally viewed three...
Patent number
4,594,646
Issue date
Jun 10, 1986
Henry Von Kohorn
F21 - LIGHTING