Assignee
Inventors
- Johannes Kalhoff (22 patents)
- Dietmar Krumsiek (12 patents)
- Martin Mueller (8 patents)
- Oliver Puls (1 patents)
- Willi Hagemeier (3 patents)
- Frank Konieczny (4 patents)
- Frank Knafla (1 patents)
US Patent 8011021 · Granted Sep 6, 2011