Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322181 | Conductor pipe plug and method of installing conductor pipe | R. Benton Nickles | 1982-03-30 |
| 4310161 | Inflatable packer element | — | 1982-01-12 |
| 4310265 | Pile wiper seal | — | 1982-01-12 |