Assignee
Inventors
- Heinz-Georg Wassenhoven (72 patents)
- Michael Spitzer (15 patents)
- Dieter Haaken (6 patents)
- Harry Gatzke (3 patents)
- Detlef Schelter (6 patents)
- Elisabeth Klaczynski (6 patents)
- Hans-Josef Schroder (4 patents)
US Patent 6854256 · Granted Feb 15, 2005