Inventor
JOHNSON RALPH J
US4 patents
Patents
4 patentsUS5702179ADec 30, 1997
Discharge lamp having light-transmissive conductive coating for RF containment and heating
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US7166955B2Jan 23, 2007
Multi-conductor LED bulb assembly
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US7249877B2Jul 31, 2007
Led lamp bulb assembly and reflector system
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US7090386B2Aug 15, 2006
High density LED array
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