Granted Patent
Utility
US 6,684,142 · App. 09/525,287
Slip protection method for a belt-type variator of a CVT
Inventors:
Peter Janssen, Andreas Piepenbrink
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Mar 15, 2000
Inventors
Peter Janssen
Andreas Piepenbrink
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.