Granted Patent
Utility
US 6,554,737 · App. 09/787,870
Engine speed control via the torque converter lockup clutch of a continuously variable drive
Inventors:
Ralf Vorndran, Wolfgang Danz, Andreas Piepenbrink, Andreas Schwenger
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Mar 22, 2001
Inventors
Ralf Vorndran
Wolfgang Danz
Andreas Piepenbrink
Andreas Schwenger
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.