Granted Patent
Utility
US 4,489,621 · App. 06/425,734
Dual wet output clutch for power selection in a continuously variable transmission
Inventor:
Arthur M. McIntosh
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Sep 28, 1982
Inventor
Arthur M. McIntosh
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.