Granted Patent
Utility
US 5,186,271 · App. 07/708,652
Swivel hitch with improved mounting of lower gearbox
Inventor:
Kenneth W. McLean
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: May 31, 1991
Inventor
Kenneth W. McLean
Assignee (at issue)
Ford New Holland, 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.