Granted Patent
Utility
US 6,402,648 · App. 09/596,661
Device for controlling a continuously variable automatic transmission
Inventors:
Andreas Piepenbrink, Bernd Fessler
Patented Case
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Granted: Jun 11, 2002
Filed: Jun 19, 2000
Inventors
Andreas Piepenbrink
Bernd Fessler
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.