Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116104 | Method and equipment for loosening and/or winning minerals especially coal and aggregated materials by using compressed air breaking | Gyorgy Gergo, Zoltan Vida, Bela Sebestyen, Jozsef Nemeth | 1992-05-26 |