Granted Patent
Utility
US 5,795,261 · App. 08/793,309
Method of controlling a continuously variable transmission
Inventors:
Patrick Speicher, Ralf Vorndran
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Mar 12, 1997
Inventors
Patrick Speicher
Ralf Vorndran
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.