Granted Patent
Utility
US 6,192,844 · App. 09/472,469
Device for varying the control times of gas-exchange valves of an internal combustion engine in particular a camshaft adjusting device with an impeller
Inventors:
Martin Scheidt, Andreas Strauss
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Dec 27, 1999
Inventors
Martin Scheidt
Andreas Strauss
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.