United States Patent, US 20080160320/A1
Inventor: Erich Beck, Reinhold Schwalm, Katia Studer, Phuong Nguyen-Tri, Christian Decker
Year: 2008
European Patent, EP1858995/A1
Inventor: Erich Beck, Reinhold Schwalm, Katia Studer, Phuong Nguyen-Tri, Christian Decker
Year: 2007
World Intellectual Property Organization (WIPO) Patent WO/2006/092434
Inventor: Erich Beck, Reinhold Schwalm, Katia Studer, Phuong Nguyen-Tri, Christian Decker
Year: 2006