Granted Patent
Utility
US 6,474,186 · App. 09/869,168
Gear-change system for an electronically controlled vehicle automatic gearbox
Inventor:
Reinhard Vollmar
Patented Case
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Granted: Nov 5, 2002
Filed: Jun 22, 2001
Inventor
Reinhard Vollmar
Assignee (at issue)
ZF Lemförder Metallwaren 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.