Assignee
Inventors
- Heinz Gries (66 patents)
- Erich Klieger (10 patents)
- Bernd Raduchel (52 patents)
- Heribert Schmitt-Willich (52 patents)
- Hanns-Joachim Weinmann (70 patents)
- Hubert Vogler (22 patents)
- Unknown
- Jurgen Conrad (15 patents)
US Patent 6565830 · Granted May 20, 2003