Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9333507 | Automatic ball charging system for a ball mill assembly | Raymond J. Foucher, Christopher S. Lazenby, Brian M. Popp | 2016-05-10 |
| 5959386 | Permanent magnet DC motor and magnet retention clip | — | 1999-09-28 |
| 4804042 | Bottom hole shut-in tool | Gerald W. Haws | 1989-02-14 |