Granted Patent
Utility
US 4,013,111 · App. 05/640,745
Pneumatic tire with reduced rate of inflation loss upon being punctured
Inventor:
Joe A. Powell
Patented Case
View Patent ↗
Granted: Mar 22, 1977
Filed: Dec 15, 1975
Inventor
Joe A. Powell
Assignee (at issue)
B. F. Goodrich 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.