Assignee
Inventors
- Dieter Stockburger (2 patents)
- Wilhelm Schultz (1 patents)
- Johannes E. Schmidt (8 patents)
- Friedrich Wirth (6 patents)
- Herwig Hoffmann (19 patents)
- Bernhard Holzknecht (3 patents)
- Klaus Wintermantel (4 patents)
US Patent 4369327 · Granted Jan 18, 1983