Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397822 | Process for the recovery of alumina from fly ash | — | 1983-08-09 |
| 4386057 | Recovery of iron oxide from coal fly ash | Michael S. Dobbins | 1983-05-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397822 | Process for the recovery of alumina from fly ash | — | 1983-08-09 |
| 4386057 | Recovery of iron oxide from coal fly ash | Michael S. Dobbins | 1983-05-31 |