Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374299 | Pyrometallurgical process for treating a feed material | Krause L. Ehlers, Kevin Philippe Daniel Perry | 1994-12-20 |
| 4543122 | Magnesium production | Leslie J. Farrell | 1985-09-24 |