Assignee
Inventors
- Gerd Schnorrenberg (32 patents)
- Otto Roos (30 patents)
- Walter Losel (32 patents)
- Ingrid Wiedemann (6 patents)
- Wolfram Gaida (21 patents)
- Wolfgang Hoefke (25 patents)
- Dietrich Arndts (25 patents)
- Ilse Streller (8 patents)
US Patent 5008273 · Granted Apr 16, 1991