Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6149014 | Mill magnet separator and method for separating | Michael J. Mankosa, Marshall A. Carner | 2000-11-21 |
| 4597857 | Process for producing an upgraded sulfide mineral concentrate from an ore containing sulfide mineral and silicate clay | William B. Davis | 1986-07-01 |
| 4549959 | Process for separating molybdenite from a molybdenite-containing copper sulfide concentrate | Raynor O. Armstrong, William A. Yuill | 1985-10-29 |
| 4541993 | Process for the sulfatization of non-ferrous metal sulfides | — | 1985-09-17 |