Assignee
Inventors
- Erich F. Elstner (8 patents)
- Karl-Heinz Schleifer (2 patents)
- Friedrich Gotz (9 patents)
- Barbara Sedewitz (1 patents)
- Albert Roder (16 patents)
- Hans Mollering (11 patents)
- Hans Seidel (20 patents)
US Patent 4666832 · Granted May 19, 1987