Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11911775 | Particle separation apparatus | Michael L. Gray | 2024-02-27 |
| 10065197 | Hydraulic particle separation apparatus for placer mining | Michael L. Gray | 2018-09-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11911775 | Particle separation apparatus | Michael L. Gray | 2024-02-27 |
| 10065197 | Hydraulic particle separation apparatus for placer mining | Michael L. Gray | 2018-09-04 |