Assignee
Inventors
- Tamas Fodor (10 patents)
- Janos Fischer (12 patents)
- Unknown
- Ferenc Trischler (19 patents)
- Elemer Ezer (29 patents)
- Judit Matuz (17 patents)
- Katalin Saghy (16 patents)
- Laszlo Szporny (111 patents)
- Gyorgy Hajos (46 patents)
US Patent 5021597 · Granted Jun 4, 1991