Assignee
Inventors
- Kurt Grabow (3 patents)
- Willy Mahl (2 patents)
- Karl-Heinz Muller (77 patents)
- Heinrich Kochendorfer (6 patents)
- Dieter Bertsch (7 patents)
- Siegfried Mayer (32 patents)
- Jorg Anhenn (2 patents)
- Wilhelm Dworak (10 patents)
US Patent 4336006 · Granted Jun 22, 1982