Granted Patent
Utility
US 6,505,953 · App. 09/826,617
Luminaire optical system
Inventor:
Kevin Dahlen
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Apr 5, 2001
Inventor
Kevin Dahlen
Assignee (at issue)
GENLYTE THOMAS GROUP, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.