Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4510048 | Process for improving probertite concentration in probertite containing ore | Anh Mai, Donald J. Kaczynski | 1985-04-09 |
| 4510049 | Process for recovery of colemanite and probertite from mixed low grade ore | Anh Mai, Donald J. Kaczynski | 1985-04-09 |