Assignee
Inventors
- Martin Peehs (12 patents)
- Heinrich Bayer (1 patents)
- Ulrich Jenczio (1 patents)
- Jurgen Laucht (1 patents)
- Sieghard Hellmann (2 patents)
- Gerhard Dichtjar (3 patents)
- Wolfgang Dorr (14 patents)
- Georg Maier (50 patents)
US Patent 4816193 · Granted Mar 28, 1989