Assignee
Inventors
- Wolfgang Ehrfeld (46 patents)
- Volker Graeff (2 patents)
- Frank Michel (25 patents)
- Unknown
- Jens Heim (50 patents)
- Joachim Hering (20 patents)
- Horst Masuch (6 patents)
- Unknown
- Vasilis Hassiotis (6 patents)
- Henri Knokke (1 patents)
US Patent 6484582 · Granted Nov 26, 2002