Granted Patent
Utility
US 4,877,072 · App. 07/134,333
Tread for left and right vehicle tires
Inventor:
Jean F. L. Fontaine
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Dec 17, 1987
Inventor
Jean F. L. Fontaine
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.