Granted Patent
Utility
US 4,964,022 · App. 07/335,550
Bus side light system
Inventor:
Robert Clinton Lane
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Apr 10, 1989
Inventor
Robert Clinton Lane
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.