Assignee
Inventors
- Dirk Abel (3 patents)
- Arno Breimhorst (3 patents)
- Erwin Haese (2 patents)
- Gerhard Merten (68 patents)
- Peter Herkenrath (3 patents)
- Nicole Kostiza (1 patents)
- Manfred Ziegler (26 patents)
- Ulrich Paschedag (4 patents)
US Patent 6715601 · Granted Apr 6, 2004