Granted Patent
Utility
US 6,216,075 · App. 09/230,404
Process for determining the operating point of a continuously variable transmission
Inventors:
Patrick Speicher, Ralf Vorndran, Wolfgang Danz, Udo Gillich
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Jan 25, 1999
Inventors
Patrick Speicher
Ralf Vorndran
Wolfgang Danz
Udo Gillich
Assignee (at issue)
ZF Friedrichshafen AG
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.