Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661118 | Method for oxidation of pyrite in coal to magnetite and low field magnetic separation thereof | Frank E. Senftle, Corrinne C. Alexander | 1987-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661118 | Method for oxidation of pyrite in coal to magnetite and low field magnetic separation thereof | Frank E. Senftle, Corrinne C. Alexander | 1987-04-28 |