Granted Patent
Utility
US 4,458,527 · App. 06/325,567
Apparatus for measuring the rolling resistance of tires
Inventors:
Lellan L. McFarland, Barry D. Cargould
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Nov 27, 1981
Inventors
Lellan L. McFarland
Barry D. Cargould
Assignee (at issue)
Eagle-Picher Industries, Inc.
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.