Assignee
Inventors
- Rudolf Vyvial (9 patents)
- Christof Taubitz (21 patents)
- Lothar Schlemmer (16 patents)
- Gerhard Bleckmann (14 patents)
- Manfred Zuerger (9 patents)
- Heinrich Krieger (3 patents)
- Heino Thiele (9 patents)
US Patent 4493807 · Granted Jan 15, 1985