Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348090 | Expanded slip well anchor | — | 1994-09-20 |
| 5323853 | Emergency downhole disconnect tool | Margarete C. Wong | 1994-06-28 |
| 5310004 | Fail safe gas bias safety valve | — | 1994-05-10 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348090 | Expanded slip well anchor | — | 1994-09-20 |
| 5323853 | Emergency downhole disconnect tool | Margarete C. Wong | 1994-06-28 |
| 5310004 | Fail safe gas bias safety valve | — | 1994-05-10 |