Granted Patent
Utility
US 4,690,189 · App. 06/823,696
All-season pneumatic tire with chamfered tread blocks
Inventors:
John L. Bradisse, Daniel J. Lindner
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Jan 29, 1986
Inventors
John L. Bradisse
Daniel J. Lindner
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.