Granted Patent
Utility
US 4,722,429 · App. 06/896,159
Apparatus for controlling a friction clutch
Inventor:
Hiromi Kono
Patented Case
View Patent ↗
Granted: Feb 2, 1988
Filed: Aug 13, 1986
Inventor
Hiromi Kono
Assignee (at issue)
Diesel Kiki Co., Ltd.
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.