Assignee
Inventors
- Werner Opitz (2 patents)
- Hans-Willi Kling (6 patents)
- Ibolya Bartik-Himmler (3 patents)
- Ludger Buetfering (2 patents)
- Friedhelm Siepmann (3 patents)
- Bernd Schenzle (4 patents)
- Wolfgang Krey (3 patents)
US Patent 6617165 · Granted Sep 9, 2003