Granted Patent
Utility
US 6,543,531 · App. 09/277,725
Device and method for heating and cooling a compartment of a motor vehicle
Inventors:
Roland Cäsar, Klaus Skupin, Jurgen Wertenbach
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Mar 29, 1999
Inventors
Roland Cäsar
Klaus Skupin
Jurgen Wertenbach
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.