Assignee
Inventors
- Alfred Grob (1 patents)
- Wolfgang Leibfried (3 patents)
- Karl Rampmaier (1 patents)
- Kurt Spitzenberger (5 patents)
- Gunther Stecher (12 patents)
- Klaus Steinle (6 patents)
- Heinz Walter (11 patents)
- Herbert Zimmermann (7 patents)
US Patent 4722227 · Granted Feb 2, 1988