Granted Patent
Utility
US 5,072,216 · App. 07/447,566
Remote controlled track lighting system
Inventor:
Robert Grange
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Dec 7, 1989
Inventor
Robert Grange
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.