Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372843 | Method of beneficiating phosphate ores containing dolomite | James E. Lawver, Robert E. Snow | 1983-02-08 |
| 4189103 | Method of beneficiating phosphate ores | James E. Lawver, Robert E. Snow | 1980-02-19 |