Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883387 | Apparatus for tensioning a riser | Jorge H. Delgado | 1989-11-28 |
| 4867605 | Method and apparatus for retrieving a running tool/guideframe assembly | Jorge H. Delgado | 1989-09-19 |