Assignee
Inventors
- Horst Kober (12 patents)
- Ralf Heinrich (12 patents)
- Friedel Brink-Spalink (1 patents)
- Holger Lettmann (4 patents)
- Maik Frenzel (4 patents)
- Norbert Andresen (2 patents)
- Achim Gruber (1 patents)
- Jurgen Henke (5 patents)
US Patent 7018223 · Granted Mar 28, 2006