Granted Patent
Utility
US 6,692,824 · App. 08/329,075
Infrared-reflecting bodies
Inventors:
Volker Benz, Wolfgang Scharnke, Michael Meier-Kaiser, Michael Muller
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Oct 25, 1994
Inventors
Volker Benz
Wolfgang Scharnke
Michael Meier-Kaiser
Michael Muller
Assignee (at issue)
ROEHM 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.