Assignee
Inventors
- Joachim Grabscheid (32 patents)
- Karl Josef Böck (11 patents)
- Ulrich Begemann (37 patents)
- Thomas Elenz (6 patents)
- Peter Mirsberger (17 patents)
- Hans Dahl (25 patents)
- Hannes Vomhoff (3 patents)
- David A. Beck (40 patents)
US Patent 6381868 · Granted May 7, 2002