Assignee
Inventors
- Walter Hagenlocher (9 patents)
- Lutz Rapp (41 patents)
- Werner Eschen (1 patents)
- Istvan Ragaly (16 patents)
- Heinz Scharpf (1 patents)
- Jorg Streller (1 patents)
- Johann Weigand (1 patents)
- Klaus Winkler (30 patents)
US Patent 4540907 · Granted Sep 10, 1985