Granted Patent
Utility
US 4,989,481 · App. 07/548,698
Axle ring removal tool
Inventors:
Benjamin F. Grimes, David L. McLane, Jim F. McGraw
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Jul 5, 1990
Inventors
Benjamin F. Grimes
David L. McLane
Jim F. McGraw
Assignee (at issue)
STEMCO CO., LTD.
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.