Assignee
No assignee recorded.
Inventors
- Unknown
- Unknown
- Erno Tyihak (6 patents)
- Unknown
- Unknown
- Sandor Meszaros (6 patents)
- Unknown
- Unknown
- Emil Mincsovics (5 patents)
- Gabor John Kemeny (9 patents)
- Unknown
US Patent 4671870 · Granted Jun 9, 1987
No assignee recorded.