Assignee
Inventors
- Janos Pinter (4 patents)
- Josefne Pal (1 patents)
- Eva E. Kiss (2 patents)
- Erzsebet Shuszler (1 patents)
- Sandor Angyan (3 patents)
- Laszlo Pap (18 patents)
- Unknown
- Tamas Detre (7 patents)
- Tamasne Marmarosi (2 patents)
US Patent 5045311 · Granted Sep 3, 1991