Granted Patent
Utility
US 4,665,772 · App. 06/762,499
Shift control system for implement transmission
Inventor:
Walter D. Greene
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Aug 5, 1985
Inventor
Walter D. Greene
Assignee (at issue)
J. I. Case Company
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.