Assignee
Inventors
- Armin Buschauer (9 patents)
- Helmut Schickaneder (37 patents)
- Walter Schunack (18 patents)
- Sigurd Elz (4 patents)
- Istvan Szelenyi (37 patents)
- Gert Baumann (8 patents)
- Kurt H. Ahrens (31 patents)
US Patent 5021431 · Granted Jun 4, 1991