Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5960894 | Expendable tubing conveyed perforator | Terry G. Lilly, Leslie E. Noel, Edwin G. Steiner | 1999-10-05 |
| 4784371 | Hydraulic jack having a small diameter bleed part in the cylinder wall | — | 1988-11-15 |