Assignee
Inventors
- Wilfried Becker (40 patents)
- Gerhard Glotz (7 patents)
- Josef Osthues (4 patents)
- Hans-Peter Opitz (3 patents)
- Heinz-Josef Kruse (16 patents)
- Jutta Peters (1 patents)
- Helmut Peller (4 patents)
US Patent 5261629 · Granted Nov 16, 1993