Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573531 | Method of underground gasification of coal seam | Vadim N. Kazak, Valery Kapralov | 1986-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573531 | Method of underground gasification of coal seam | Vadim N. Kazak, Valery Kapralov | 1986-03-04 |