Granted Patent
Utility
US 6,487,996 · App. 09/958,863
Device for adjusting the angle of rotation of a camshaft with regard to the crankshaft of a reciprocating internal combustion engine
Inventors:
Thomas Motz, Jochen Auchter, Torsten Keller
Patented Case
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Granted: Dec 3, 2002
Filed: Nov 7, 2001
Inventors
Thomas Motz
Jochen Auchter
Torsten Keller
Assignee (at issue)
INA Wälzlager Schaeffler oHG
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.