Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375454 | Electrostatic enrichment of trona and nahcolite ores | Orval H. Hilliard | 1983-03-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375454 | Electrostatic enrichment of trona and nahcolite ores | Orval H. Hilliard | 1983-03-01 |