Granted Patent
Utility
US 3,945,422 · App. 05/539,390
Tire with no ply steer belt
Inventor:
Marion G. Pottinger
Patented Case
View Patent ↗
Granted: Mar 23, 1976
Filed: Jan 8, 1975
Inventor
Marion G. Pottinger
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.