Granted Patent
Utility
US 6,543,239 · App. 10/212,431
Air-conditioning system operated with CO2
Inventors:
Bernd Dienhart, Hans-Joachim Krauss, Hagen Mittelstrass, Karl-Heinz Staffa, Christoph Walter, Michael D. Katzenberger, Karl Lochmahr, Werner Strauss
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Aug 5, 2002
Inventors
Bernd Dienhart
Hans-Joachim Krauss
Hagen Mittelstrass
Karl-Heinz Staffa
Christoph Walter
Michael D. Katzenberger
Karl Lochmahr
Werner Strauss
Assignee (at issue)
Visteon Global Technologies, Inc.
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.