Assignee
Inventors
- Hans Munning (2 patents)
- Jurgen Bock (9 patents)
- Bernd Oldach (2 patents)
- Josef Ladic (2 patents)
- Max-Otto Rauert (3 patents)
- Hugo Emde (2 patents)
- Dietrich Petzsch (2 patents)
- Johannes J. de Baan (6 patents)
US Patent 4660686 · Granted Apr 28, 1987