Granted Patent
Utility
US 6,539,737 · App. 10/122,818
Combined cooling plant and heat pump, especially for the heating and cooling of the passenger cells of motor vehicle
Inventor:
Peter Heyl
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Apr 13, 2002
Inventor
Peter Heyl
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.