Granted Patent
Utility
US 5,056,631 · App. 07/576,567
Slipping bypass clutch construction for a hydrokinetic torque converter
Inventor:
Fraser J. Macdonald
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Nov 1, 1990
Inventor
Fraser J. Macdonald
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.