Granted Patent
Utility
US 6,786,183 · App. 10/290,452
Coolant circuit for an internal combustion engine and method of making and using same
Inventors:
Michael Hoelle, Roland Kemmler, Erhard Rau, Hubert Schnuepke
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Nov 8, 2002
Inventors
Michael Hoelle
Roland Kemmler
Erhard Rau
Hubert Schnuepke
Assignee (at issue)
Daimlerchrysler 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.