Granted Patent
Utility
US 6,671,602 · App. 10/019,764
Method for manually stipulating the transmission ratio of a continuously variable transmission (CVT)
Inventors:
Patrick Speicher, Ralf Vorndran, Anton Welte
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Feb 20, 2002
Inventors
Patrick Speicher
Ralf Vorndran
Anton Welte
Assignee (at issue)
ZF Batavia L.L.C.
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.