Granted Patent
Utility
US 5,635,902 · App. 08/340,716
L.E.D. enhanced bus stop sign
Inventor:
Peter A. Hochstein
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Nov 16, 1994
Inventor
Peter A. Hochstein
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.