Granted Patent
Utility
US 4,938,437 · App. 07/130,320
Rubberless tire bead assemblies and methods of making same
Inventor:
Doyle W. Rausch
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Dec 8, 1987
Inventor
Doyle W. Rausch
Assignee (at issue)
National Standard 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.