Granted Patent
Utility
US 5,415,261 · App. 08/153,579
Twin-flywheel apparatus for transmitting torque in the power train of a motor vehicle
Inventor:
Oswald Friedmann
Patented Case
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Granted: May 16, 1995
Filed: Nov 16, 1993
Inventor
Oswald Friedmann
Assignee (at issue)
LUK Lamellen Und Kupplungsbau
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.