Granted Patent
Utility
US 6,435,994 · App. 09/543,508
Continuously variable transmission
Inventors:
Oswald Friedmann, Hartmut Faust
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Apr 6, 2000
Inventors
Oswald Friedmann
Hartmut Faust
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.