Granted Patent
Utility
US 5,230,467 · App. 07/810,423
Control display device for an air-conditioning system of a motor vehicle
Inventors:
Erich Kubsch, Karl-Heinz Weller
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Dec 20, 1991
Inventors
Erich Kubsch
Karl-Heinz Weller
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.