Granted Patent
Utility
US 6,050,917 · App. 09/308,111
CVT control method
Inventors:
Armin Gierling, Holger Bacher
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: May 12, 1999
Inventors
Armin Gierling
Holger Bacher
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.