Assignee
Inventors
- Herbert Toussaint (11 patents)
- Juergen Schossig (10 patents)
- Heinz Graefje (3 patents)
- Wolfgang Reiss (10 patents)
- Roland Spahl (5 patents)
- Matthias Irgang (31 patents)
- Walter Himmel (6 patents)
- Gerhard Koppenhoefer (6 patents)
US Patent 5015788 · Granted May 14, 1991