Granted Patent
Utility
US 6,478,450 · App. 09/845,580
Lighting system
Inventor:
Zdenko Grajcar
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Apr 30, 2001
Inventor
Zdenko Grajcar
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.