Granted Patent
Utility
US 6,652,403 · App. 10/020,042
Variator
Inventors:
Silvius Drees, Jochen Fischer, Stefan Prange
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 13, 2001
Inventors
Silvius Drees
Jochen Fischer
Stefan Prange
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.