Inventor
HRUBOWCHAK DAVID M
US8 patents
Patents
8 patentsUS5486737AJan 23, 1996
Heavily loaded double-ended arc lamp
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USD540961SApr 17, 2007
Light bulb
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US6469445B1Oct 22, 2002
High CRI metal halide lamp with constant color throughout life
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US7575343B2Aug 18, 2009
Faceted par lamp
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US7301283B1Nov 27, 2007
Starting aid for low wattage metal halide lamps
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USD630773SJan 11, 2011
Neck portion of a par lamp
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USD543289SMay 22, 2007
Envelope for a light bulb
OSRAM SYLVANIA INC0 citations46
US7615930B2Nov 10, 2009
Shrouded arc discharge lamp suitable for downlighting applications
OSRAM SYLVANIA INC0 citations36