Granted Patent
Utility
US 6,465,560 · App. 09/503,371
Tire with tread of spatially defined elastomer composition
Inventors:
David John Zanzig, Aaron Scott Puhala
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Feb 14, 2000
Inventors
David John Zanzig
Aaron Scott Puhala
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.