Granted Patent
Utility
US 5,667,448 · App. 08/572,538
Power train
Inventor:
Oswald Friedmann
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Dec 14, 1995
Inventor
Oswald Friedmann
Assignee (at issue)
LuK Getriebe-Systeme GmbH
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.