Granted Patent
Utility
US 4,886,023 · App. 07/234,919
Crankshaft drive of an internal-combustion engine of V-type
Inventors:
Johannes Werner, Walter Kerschbaum, Rolf Heinrich
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Aug 22, 1988
Inventors
Johannes Werner
Walter Kerschbaum
Rolf Heinrich
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.