Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487612 | Coal gasification plant | Dennis Hebden | 1984-12-11 |
| 4461628 | Method for the gasification of solid carbonaceous fuel | Dennis Hebden | 1984-07-24 |
| 4192654 | Coal gasification plant | — | 1980-03-11 |