Assignee
Inventors
- Lothar Formanek (6 patents)
- Martin Hirsch (50 patents)
- Harry Serbent (17 patents)
- Wolfram Schnabel (19 patents)
- Klaus-Dietrich Fritzsche (2 patents)
- Heribert Koenig (5 patents)
- Gero Rath (6 patents)
US Patent 4551172 · Granted Nov 5, 1985