Assignee
Inventors
- Anton Pirmann (9 patents)
- Rudolf Loistl (8 patents)
- Jürgen Heinz (4 patents)
- Thomas Hartmann (16 patents)
- Alfons Kastl (16 patents)
- Günther Schindlbeck (12 patents)
- Hans Ketterer (8 patents)
- Otto Butz (5 patents)
US Patent 7432512 · Granted Oct 7, 2008