Granted Patent
Utility
US 5,140,967 · App. 07/718,360
Evaporation element in an internal-combustion engine cylinder head
Inventors:
Dieter Scherenberg, Edgar Brutsch
Patented Case
View Patent ↗
Granted: Aug 25, 1992
Filed: Jun 24, 1991
Inventors
Dieter Scherenberg
Edgar Brutsch
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.