Granted Patent
Utility
US 5,167,593 · App. 07/739,641
Nonsynchronous four-speed transaxle for automotive vehicles
Inventor:
Stanley L. Pierce
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Aug 2, 1991
Inventor
Stanley L. Pierce
Assignee (at issue)
Ford Motor 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.