Granted Patent
Utility
US 6,422,190 · App. 09/508,478
Heating system mounted in a vehicle with an internal combustion engine
Inventors:
Thomas Görtler, Sabine Kiesel
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Mar 9, 2000
Inventors
Thomas Görtler
Sabine Kiesel
Assignee (at issue)
J. Eberspaecher GmbH & Co. KG
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.