Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277795 | Process and apparatus for recovering heavy metal from carbonaceous material | Denis H. Thornhill | 1994-01-11 |
| 4301749 | Fluidized bed combustion | — | 1981-11-24 |
| 4263877 | Fluidized bed combustion | — | 1981-04-28 |