Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477353 | Method of reclaiming water and coal from coal treatment underflow by two-stage separation of solids | — | 1984-10-16 |
| 4284413 | In-line method for the beneficiation of coal and the formation of a coal-in-oil combustible fuel therefrom | C. Edward Capes, William L. Thayer, Richard D. Coleman | 1981-08-18 |
| 4268417 | Method of making activated carbon | — | 1981-05-19 |