Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859318 | Recovering coal fines | Gerald F. Brookes | 1989-08-22 |
| 4857221 | Recovering coal fines | Gerald F. Brookes | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859318 | Recovering coal fines | Gerald F. Brookes | 1989-08-22 |
| 4857221 | Recovering coal fines | Gerald F. Brookes | 1989-08-15 |