Granted Patent
Utility
US 5,688,204 · App. 08/537,842
Shifting device for a motor vehicle continuously variable transmission
Inventors:
Wolfgang Runge, Walter Frei, Anton Welte
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Oct 19, 1995
Inventors
Wolfgang Runge
Walter Frei
Anton Welte
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.