Granted Patent
Utility
US 4,237,445 · App. 06/061,580
Tire pressure communication devices
Inventor:
Richard L. Crossman
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Jul 30, 1979
Inventor
Richard L. Crossman
Assignee (at issue)
Goodyear Aerospace Corporation
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.