Assignee
Inventors
- Jiri Winkler (3 patents)
- Josef Cibulka (3 patents)
- Jan Bryksi (1 patents)
- Richard Jelinek (2 patents)
- Jan Krtek (3 patents)
- Vladimir Mickal (1 patents)
- Jaroslav Hlousek (8 patents)
- Milan Kondr (2 patents)
US Patent 4317166 · Granted Feb 23, 1982