Assignee
Inventors
- Laszlo Rozsa (6 patents)
- Lujza Petocz (42 patents)
- Eniko Szirt nee Kiszelly (15 patents)
- Marton Fekete (25 patents)
- Maria Szecsey nee Hegedus (7 patents)
- Gabor Gigler (29 patents)
- Istvan Gacsalyi (28 patents)
US Patent 4965259 · Granted Oct 23, 1990