Assignee
Inventors
- Frank Fischer (49 patents)
- Matthias Keller (15 patents)
- Thomas Litz (7 patents)
- Gottfried Landwehr (7 patents)
- Hans-Jürgen Lugauer (32 patents)
- Andreas Waag (12 patents)
- Markus Keim (4 patents)
US Patent 6399473 · Granted Jun 4, 2002