Assignee
Inventors
- Friedhelm Teich (6 patents)
- Heiner Schelling (24 patents)
- Herbert Köster (2 patents)
- Horst Kratzer (2 patents)
- Wolfgang Reichert (5 patents)
- Martin Gall (37 patents)
- Bernd Ziegler (30 patents)
US Patent 6516537 · Granted Feb 11, 2003