Granted Patent
Utility
US 5,372,485 · App. 08/151,173
Exhaust-gas turbocharger with divided, variable guide vanes
Inventors:
Siegfried Sumser, Erwin Schmidt, Wolfgang Erdmann, Gerhard Frankle
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Nov 12, 1993
Inventors
Siegfried Sumser
Erwin Schmidt
Wolfgang Erdmann
Gerhard Frankle
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.