Granted Patent
Utility
US 4,747,440 · App. 06/487,134
Pneumatic tire and wheel rim assemblies
Inventors:
Thomas Holmes, William S. Udall
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Apr 21, 1983
Inventors
Thomas Holmes
William S. Udall
Assignee (at issue)
Dunlop Limited, A British 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.