Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340254 | Method of mining heavy coal seams in two or more benches | Karoly Barsi, Laszlo Dorombozi, Istvan Forisek, Gyula Kuburczik | 1982-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340254 | Method of mining heavy coal seams in two or more benches | Karoly Barsi, Laszlo Dorombozi, Istvan Forisek, Gyula Kuburczik | 1982-07-20 |