Assignee
Inventors
- Volker Duecoffre (10 patents)
- Carmen Flosbach (64 patents)
- Hermann Kerber (27 patents)
- Walter Schubert (41 patents)
- Friedrich Herrmann (18 patents)
- Heinz-Walter Reifferscheid (1 patents)
- Dirk Schild (2 patents)
US Patent 6063448 · Granted May 16, 2000