Assignee
Inventors
- Ludwig Hellenthal (6 patents)
- Berthold Krämer (3 patents)
- Wolfgang Krönert (1 patents)
- Walter Patt (3 patents)
- Joachim Schonemann (4 patents)
- Klaus-Peter Schramm (8 patents)
- Jaxa von Schweinichen (5 patents)
US Patent 7174949 · Granted Feb 13, 2007