Granted Patent
Utility
US 6,006,997 · App. 08/945,971
Heating appliance, in particular for heating a motor vehicle passenger compartment
Inventors:
Wolfgang Pfister, Jurgen Epple, Stefan Ottenbacher, Andreas Alber
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Oct 29, 1997
Inventors
Wolfgang Pfister
Jurgen Epple
Stefan Ottenbacher
Andreas Alber
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.