Assignee
Inventors
- Peter Donhauser (13 patents)
- Walter Hanning (43 patents)
- Klaus Wohlgemuth (7 patents)
- Volker Schroder (12 patents)
- Ulrich Lütkemeyer (1 patents)
- Klaus Endres (17 patents)
- Herbert Fricke (7 patents)
- Torsten Diekmann (21 patents)
US Patent 7347718 · Granted Mar 25, 2008