Assignee
Inventors
- Milena Melzer (12 patents)
- Norbert Schneider (89 patents)
- Helmut Kopke (9 patents)
- Klaus Schoettle (65 patents)
- Eberhard Koester (23 patents)
- Werner Balz (34 patents)
- Werner Grau (26 patents)
US Patent 4430362 · Granted Feb 7, 1984