Granted Patent
Utility
US 4,949,822 · App. 07/382,470
Torque converter assembly with reverse acting bypass clutch
Inventor:
Dale E. Martin
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Jul 20, 1989
Inventor
Dale E. Martin
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.