Granted Patent
Utility
US 4,489,622 · App. 06/425,735
Dual wet output clutch for power selection in a continuously variable transmission
Inventor:
Herbert N. Underwood
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 28, 1982
Inventor
Herbert N. Underwood
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.