Granted Patent
Utility
US 6,679,208 · App. 10/221,949
Device for adjusting the angle of rotation of a camshaft of an internal combustion engine relative to a drive wheel
Inventors:
Wolfgang Stephan, Axel-Willi Jochim, Andreas Knecht
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Sep 18, 2002
Inventors
Wolfgang Stephan
Axel-Willi Jochim
Andreas Knecht
Assignees (at issue)
Dr. Ing. h.c. F. Porsche Aktiengesellschaft
Hydraulik-Ring GmbH
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.