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Guowen Lei
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Foshan, CN
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last 30 patents
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Patent Grant
Light emitting diode light source modules
Patent number
9,303,861
Issue date
Apr 5, 2016
US VAOPTO, INC.
Qing (Charles) Li
F21 - LIGHTING
Patents Applications
last 30 patents
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Patent Application
LIGHT EMITTING DIODE LIGHT SOURCE MODULES
Publication number
20120002407
Publication date
Jan 5, 2012
Qing (Charles) Li
F21 - LIGHTING