Granted Patent
Utility
US 4,445,607 · App. 06/326,787
Clutch driven plate assembly
Inventor:
Kerry G. Knight
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Dec 2, 1981
Inventor
Kerry G. Knight
Assignee (at issue)
BorgWarner 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.