Granted Patent
Utility
US 5,172,539 · App. 07/753,584
Agricultural machine with a cutterbar driven by a generally vertical drive shaft
Inventors:
Richard E. Jennnings, Kenneth W. McLean
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: Sep 3, 1991
Inventors
Richard E. Jennnings
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.