Granted Patent
Utility
US 5,886,086 · App. 08/884,491
Tire having silica reinforced tread
Inventors:
Joseph Kevin Hubbell, Michael Julian Crawford
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 27, 1997
Inventors
Joseph Kevin Hubbell
Michael Julian Crawford
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.