Granted Patent
Utility
US 4,431,043 · App. 06/311,855
Automatic tire inflation system
Inventors:
Fred L. Goodell, Michael J. Ellison
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Oct 16, 1981
Inventors
Fred L. Goodell
Michael J. Ellison
Assignee (at issue)
AM General LLC
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.