Assignee
Inventors
- Hayo Giebel (2 patents)
- Viktor Baumgartner (2 patents)
- Ralf-Dietrich Tilgner (1 patents)
- Hans Heinold (4 patents)
- Manfred Kuhne (10 patents)
- Hartmut Federle (5 patents)
- Rudiger Arnold (1 patents)
- Werner Rech (9 patents)
US Patent 4767924 · Granted Aug 30, 1988