Granted Patent
Utility
US 4,776,909 · App. 06/890,058
Method for making coextruded seamless tubular tire bodies for use in pneumatic tires
Inventors:
Georg G. A. Bohm, Thomas W. Bell
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jul 28, 1986
Inventors
Georg G. A. Bohm
Thomas W. Bell
Assignee (at issue)
The Firestone 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.