Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007070 | Pressure actuated packing assembly | Jess L. Culpepper, Richard L. Varnado | 1999-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007070 | Pressure actuated packing assembly | Jess L. Culpepper, Richard L. Varnado | 1999-12-28 |