Assignee
Inventors
- Udo Hafner (56 patents)
- Harro Herth (6 patents)
- Wolfgang Kienzle (21 patents)
- Heinrich Knapp (54 patents)
- Rudolf Krauss (32 patents)
- Manfred Lembke (10 patents)
- Werner Paschke (8 patents)
- Unknown
US Patent 5012787 · Granted May 7, 1991