Assignee
Inventors
- Ulf-Carsten Kirschstein (6 patents)
- Erik Beckert (7 patents)
- Andrew Kenneth Hoffmann (6 patents)
- Christoph Schaeffel (2 patents)
- Eugen Saffert (2 patents)
- Johannes Zentner (1 patents)
- Torsten Gramsch (2 patents)
US Patent 6639225 · Granted Oct 28, 2003