Granted Patent
Utility
US 6,540,151 · App. 09/958,052
Heater, especially an engine-independent vehicle heating system
Inventors:
Peter Alan Steiner, Tobias Knies, Dirk Brenner
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Mar 12, 2002
Inventors
Peter Alan Steiner
Tobias Knies
Dirk Brenner
Assignee (at issue)
Eberspacher GmbH & Co.
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.