Assignee
Inventors
- Sandor Doleschall (5 patents)
- Gyorgyi Gaal (2 patents)
- Miklos Kristof (2 patents)
- Gyula Milley (4 patents)
- Tibor Paal (6 patents)
- Jozsef Papay (2 patents)
- Antal Szittar (3 patents)
- Geza Udvardi (2 patents)
US Patent 4903773 · Granted Feb 27, 1990