Granted Patent
Utility
US 5,211,333 · App. 07/879,041
Heating system for vehicles
Inventors:
Dietrich Schmalenbach, Hans Hintennach
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: May 6, 1992
Inventors
Dietrich Schmalenbach
Hans Hintennach
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.