Assignee
Inventors
- Gerhart Griss (14 patents)
- Rudolf Hurnaus (32 patents)
- Walter Kobinger (26 patents)
- Ludwig Pichler (25 patents)
- Rudolf Bauer (36 patents)
- Joachim Mierau (15 patents)
- Dieter Hinzen (15 patents)
- Gunter Schingnitz (14 patents)
US Patent 4731374 · Granted Mar 15, 1988