Assignee
Inventors
- Friedrich-Karl Bruder (89 patents)
- Wilfried Haese (39 patents)
- Rafael Oser (24 patents)
- Jan Wiekard (1 patents)
- Wolfgang Fischer (167 patents)
- Rainer Protte (5 patents)
- Joerg Wehrle (1 patents)
- Karlheinz Hildenbrand (23 patents)
US Patent 7993721 · Granted Aug 9, 2011