Assignee
Inventors
- Stefan Becker (21 patents)
- Lysander Chrisstoffels (4 patents)
- Ludwig Voelkel (42 patents)
- Thomas Goetz (5 patents)
- Bernd Meyer-Roscher (9 patents)
- Wolfgang Hansch (2 patents)
- Stefanie Spilger (2 patents)
US Patent 7579421 · Granted Aug 25, 2009