Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4547098 | Mining equipment, mainly for extraction of heavy beds | Matyas Martinko, Andras Elekes, Kalman Simon, Jozef Bohnert, Janos Nemeth +1 more | 1985-10-15 |
| 4386878 | Mining equipment, mainly for extraction of heavy beds | Matvas Martinko, Andras Elekes, Kalman Simon, Jozsef Bohnert, Janos Nemeth +1 more | 1983-06-07 |
| 4324509 | Mechanized longwall system for mining | Gyorgy Ignatko, Ferenc Nemeth, Matyas Racz, Albert Varga, Jeno Varro | 1982-04-13 |