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Wayne R. Hellman
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Aurora, OH, US
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last 30 patents
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Patent Grant
Compact, high-efficiency illumination system for video-imaging devices
Patent number
7,220,035
Issue date
May 22, 2007
Fiberstars, Inc.
Roger F. Buelow, II
G02 - OPTICS
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last 30 patents
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Patent Application
Projection light source and methods of manufacture
Publication number
20070200505
Publication date
Aug 30, 2007
Ju Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Compact, high-efficiency illumination system for video-imaging devices
Publication number
20040174709
Publication date
Sep 9, 2004
Roger F. Buelow
G02 - OPTICS