Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440224 | Method of underground fuel gasification | Efim Vulfovich Kreinin, Nikolai A. Fedorov | 1984-04-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440224 | Method of underground fuel gasification | Efim Vulfovich Kreinin, Nikolai A. Fedorov | 1984-04-03 |