Assignee
Inventors
- Frank Beerwerth (29 patents)
- Klaus Heubach (25 patents)
- Manfred Kaiser (15 patents)
- Bernhard Kraus (49 patents)
- Katja Honnefeller (14 patents)
- Heinz Richter (4 patents)
- Albrecht Jestadt (6 patents)
- Heinz Bultges (4 patents)
US Patent 6195581 · Granted Feb 27, 2001