Assignee
Inventors
- Ralf Wyrwa (10 patents)
- Sven Ring (26 patents)
- Peter Droescher (13 patents)
- Alexander Hillisch (41 patents)
- Walter Elger (109 patents)
- Birgitt Schneider (17 patents)
- Gudrun Reddersen (9 patents)
US Patent 7534780 · Granted May 19, 2009