Assignee
Inventors
- Roland Schaffer (7 patents)
- Johannes Middelman (1 patents)
- Gerd Brand (5 patents)
- Thomas Riedemann (3 patents)
- Frank Hunig (1 patents)
- Unknown
- Hans-Joachim Seydel (1 patents)
- Michael Hirschhauser (1 patents)
US Patent 6860301 · Granted Mar 1, 2005