Granted Patent
Utility
US 4,258,767 · App. 06/019,912
Tire and wheel rim assemblies
Inventor:
Ralph Wilde
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Mar 12, 1979
Inventor
Ralph Wilde
Assignee (at issue)
Dunlop GmbH
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.