Granted Patent
Utility
US 4,291,792 · App. 06/106,598
Clutch assembly with modulated cushion fulcrum
Inventor:
Alvaro Henao
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Dec 26, 1979
Inventor
Alvaro Henao
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.