Granted Patent
Utility
US 4,193,437 · App. 05/833,789
Self supporting tire
Inventor:
Joe A. Powell
Patented Case
View Patent ↗
Granted: Mar 18, 1980
Filed: Sep 16, 1977
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.