Granted Patent
Utility
US 5,259,813 · App. 07/841,189
Device for controlling the ventilation of an internal space, particularly in motor vehicles
Inventors:
Jorg Abthoff, Hans-Dieter Schuster, Friedhelm Nunnemann, Gunter Loose, Michael Osswald, Michael-Rainer Busch, Markus Fortkord
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Feb 26, 1992
Inventors
Jorg Abthoff
Hans-Dieter Schuster
Friedhelm Nunnemann
Gunter Loose
Michael Osswald
Michael-Rainer Busch
Markus Fortkord
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.