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, Karoly Bole +1 more | 1985-10-15 |
| 4416566 | Supporting apparatus for the protection of mine gate crossings | Ferenc Szebenyi, Jozsef Bohnert, Andras Solymos, Miklos Petrassy, Tamas Kovacs +2 more | 1983-11-22 |
| 4386878 | Mining equipment, mainly for extraction of heavy beds | Matvas Martinko, Andras Elekes, Kalman Simon, Jozsef Bohnert, Karoly Bole +1 more | 1983-06-07 |