Assignee
Inventors
- Thomas König (53 patents)
- Klemens Kohlgrüber (27 patents)
- Ulrich Liesenfelder (29 patents)
- Michael Bierdel (22 patents)
- Helmut Meyer (59 patents)
- Richard Weider (28 patents)
- Jorg Kruger (7 patents)
US Patent 7144981 · Granted Dec 5, 2006