Granted Patent
Utility
US 6,428,445 · App. 09/678,774
Transmission
Inventors:
Oswald Friedmann, Ivo Agner
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Oct 4, 2000
Inventors
Oswald Friedmann
Ivo Agner
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.