Granted Patent
Utility
US 4,807,679 · App. 07/060,594
Pneumatic tire tread having sipes
Inventors:
Jean Joseph Victor Collette, Pierre Marie Jean Dauvister, Bernard Jonette, Claude Lardo
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Jun 11, 1987
Inventors
Jean Joseph Victor Collette
Pierre Marie Jean Dauvister
Bernard Jonette
Claude Lardo
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.