Granted Patent
Utility
US 6,606,972 · App. 10/246,278
Switching element for a valve train of an internal combustion engine
Inventors:
Hermann Wenisch, Mario Kuhl, Peter Sailer, Oliver Schnell
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 18, 2002
Inventors
Hermann Wenisch
Mario Kuhl
Peter Sailer
Oliver Schnell
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.