Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811792 | Well tool stabilizer and method | Brian Shaw | 1989-03-14 |
| 4796708 | Electrically actuated safety valve for a subterranean well | — | 1989-01-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811792 | Well tool stabilizer and method | Brian Shaw | 1989-03-14 |
| 4796708 | Electrically actuated safety valve for a subterranean well | — | 1989-01-10 |