Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365741 | Continuous centrifugal separation of coal from sulfur compounds and mineral impurities | Raymond T. Greer | 1982-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4365741 | Continuous centrifugal separation of coal from sulfur compounds and mineral impurities | Raymond T. Greer | 1982-12-28 |