Granted Patent
Utility
US 6,679,109 · App. 09/998,687
Acoustic recognition of variator slip of a continuously variable transmission
Inventors:
Armin Gierling, Thomas Fichtinger, Norbert Inerle
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Nov 29, 2001
Inventors
Armin Gierling
Thomas Fichtinger
Norbert Inerle
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.