Assignee
Inventors
- Walter Hornung (1 patents)
- Gerhard Hametner (2 patents)
- Wolfgang Ackermann (1 patents)
- Lothar Benkowitz (1 patents)
- Peter Hofmann (20 patents)
- Dieter Koch (15 patents)
- Herbert Hemming (1 patents)
US Patent 4583756 · Granted Apr 22, 1986