Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007070 | Pressure actuated packing assembly | Joe Heathcott, Richard L. Varnado | 1999-12-28 |
| 5676384 | Anti-extrusion apparatus made from PTFE impregnated steel mesh | — | 1997-10-14 |
| 5579839 | Bulge control compression packer | — | 1996-12-03 |