Assignee
Inventors
- Guenter Abersfelder (8 patents)
- Helmut Grantz (21 patents)
- Thorsteinn Halldorsson (24 patents)
- Horst Schmidt-Bischoffshausen (6 patents)
- Stefan Uhl (17 patents)
- Heinrich A. Eberl (21 patents)
US Patent 6213627 · Granted Apr 10, 2001