Granted Patent
Utility
US 6,533,655 · App. 09/992,228
Air vent for ventilation systems
Inventors:
Michael Demerath, Norbert Klein
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Nov 19, 2001
Inventors
Michael Demerath
Norbert Klein
Assignee (at issue)
TRW Automotive Electronics and Components GmbH
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.