Assignee
Inventors
- Christoph Kreutzer (4 patents)
- Heiner Fees (77 patents)
- Heinz-Willi Vassen (5 patents)
- Robert Schwarzbauer (2 patents)
- Bardo Lang (1 patents)
- Armin Pöppel (4 patents)
- Karsten Büttner (1 patents)
US Patent 8975774 · Granted Mar 10, 2015