Assignee
Inventors
- Joachim Schonfeld (2 patents)
- Erwin Kaldenbach (5 patents)
- Eberhard Stodt (5 patents)
- Elmar Klomfass (1 patents)
- Reyk Buch (1 patents)
- Jurgen Josef Dillmann (2 patents)
- Willi Schneider (23 patents)
US Patent 6068133 · Granted May 30, 2000