Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610303 | Method of underground gasification of a series of gently dipping and inclined coal seams | Vadim N. Kazak, Valery Kapralov | 1986-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610303 | Method of underground gasification of a series of gently dipping and inclined coal seams | Vadim N. Kazak, Valery Kapralov | 1986-09-09 |