Assignee
Inventors
- Martin Weber (123 patents)
- Jurgen Hofmann (52 patents)
- Robert A. Weiss (54 patents)
- Walter Heckmann (38 patents)
- Roland Hingmann (24 patents)
- Josef Wunsch (24 patents)
- Graham E. McKee (47 patents)
US Patent 6140409 · Granted Oct 31, 2000