Assignee
Inventors
- Burkhard Schafer (18 patents)
- Kai-Uwe Grams (5 patents)
- Jens Vortmeyer (18 patents)
- Georg Stefan Hagemann (3 patents)
- Eduard Jaegermeyr (1 patents)
- Franz Promberger (1 patents)
- Walter Egartner (1 patents)
US Patent 5419581 · Granted May 30, 1995