Assignee
Inventors
- Josef Dietl (34 patents)
- Erhard Sirtl (8 patents)
- Rolf Bauregger (1 patents)
- Erich Bildl (4 patents)
- Rudolf Rothlehner (1 patents)
- Dieter Seifert (13 patents)
- Hermann Dicker (1 patents)
- Herbert Pichler (2 patents)
US Patent 5164138 · Granted Nov 17, 1992