Granted Patent
Utility
US 5,697,350 · App. 08/808,791
Crank chamber venting arrangement for an internal combustion engine
Inventors:
Edgar Brutsch, Erhard Rau
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Feb 28, 1997
Inventors
Edgar Brutsch
Erhard Rau
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.