Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407140 | Differential grinding | Gary Moyle | 1995-04-18 |
| 4339042 | Treatment of minerals | William Windle, Howard L. Shergold | 1982-07-13 |
| 4301001 | Process for concentrating mica in a mixture of sand and mica | — | 1981-11-17 |
| 4208277 | Rotary reciprocating magnetic separator with upward feed | David Bell, Leyland R. Phillips | 1980-06-17 |