Granted Patent
Utility
US 4,262,724 · App. 06/036,611
Low pressure and run-flat warning system for a pneumatic tire
Inventor:
Berge Sarkissian
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: May 3, 1979
Inventor
Berge Sarkissian
Assignee (at issue)
Uniroyal Ltd.
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.