Granted Patent
Utility
US 5,729,978 · App. 08/518,506
Supercharged internal combustion engine with capability for mechanical step-up drive of an exhaust gas turbocharger
Inventors:
Herman Hiereth, Harald Dauble, Klaus Marquardt, Michael Hoffmann
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Aug 23, 1995
Inventors
Herman Hiereth
Harald Dauble
Klaus Marquardt
Michael Hoffmann
Assignee (at issue)
MERCEDES-BENZ GROUP 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.