Assignee
Inventors
- Klaus Rosen (4 patents)
- Josef Bertrams (14 patents)
- Rudolf Consoir (2 patents)
- Heinz Differding (1 patents)
- Reinhard Mauries (16 patents)
- Heinz Zumfeld (25 patents)
- Wolfgang Irmen (11 patents)
US Patent 4765128 · Granted Aug 23, 1988