Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960174 | Equipment for oil well drilling and completing operations in deep water | Renato S. Rodrigues | 1990-10-02 |
| 4877088 | Process and equipment for oil well drilling and completing operations in deep water | Renato S. Rodrigues | 1989-10-31 |