Granted Patent
Utility
US 5,931,127 · App. 09/007,563
Variable valve timing mechanism for an internal combustion engine
Inventors:
Walter Buck, Michael Kuhn, Roland Schwegler
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jan 15, 1998
Inventors
Walter Buck
Michael Kuhn
Roland Schwegler
Assignee (at issue)
Daimler-Benz AG
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.