Assignee
Inventors
- Werner Grunwald (26 patents)
- Ernst Zehender (2 patents)
- Karl-Hermann Friese (74 patents)
- Jurgen Schmatz (6 patents)
- Hans Neu (8 patents)
- Kuno Kirner (2 patents)
- Bernd Schumacher (14 patents)
US Patent 4393282 · Granted Jul 12, 1983