Assignee
Inventors
- Barbara Upmeier (25 patents)
- Ralf Bollhagen (7 patents)
- Alfred Engel (15 patents)
- Elke Faatz (29 patents)
- Peter Schaarschmidt (14 patents)
- Christian Scholz (30 patents)
- Toralf Zarnt (15 patents)
US Patent 7604935 · Granted Oct 20, 2009