Assignee
Inventors
- Rudolf Muench (10 patents)
- Egon Bild (2 patents)
- Siegfried Daum (2 patents)
- Joerg Thomas Maurer (15 patents)
- Tobias Wanke (3 patents)
- Werner Reichert (2 patents)
- Wolfgang Klotzbuecher (2 patents)
- Josef Wigand (2 patents)
US Patent 7520962 · Granted Apr 21, 2009