Granted Patent
Utility
US 6,684,834 · App. 10/195,577
DEVICE TO CHANGE THE TIMING OF GAS EXCHANGE VALVES IN AN INTERNAL COMBUSTION ENGINE, IN PARTICULAR A ROTATING PISTON POSITIONING DEVICE TO ADJUST THE ANGLE THAT A CAMSHAFT IS ROTATED RELATIVE TO A CRANKSHAFT
Inventor:
Mike Kohrs
Patented Case
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Granted: Feb 3, 2004
Filed: Jul 15, 2002
Inventor
Mike Kohrs
Assignee (at issue)
Ina Schaeffler KG
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.