Assignee
Inventors
- Christian Dudeck (7 patents)
- Gunter Lehmann (6 patents)
- Karl-Heinz Ross (18 patents)
- Werner Fliege (11 patents)
- Norbert Petri (7 patents)
- Hans Diem (16 patents)
- Bernd Meissner (7 patents)
- Wolfgang Sauer (20 patents)
US Patent 4235823 · Granted Nov 25, 1980