Patents

German DE9701454*
European EP0993657*
United States US6231185*
International PCT/DE1997/001454* and WO/1999/003066* for Canada, Japan, United States and European states: AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
German patent applications DE10008251A1, DE19601024A1, DE19800845A1
* Copyright transfer to Siemens AG, Munich, Germany