Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5519286 | Electronic ballast with built-in times power saver and photoelectric switching for high-pressure mercury vapor, metallic vapor and sodium vapor lamps | Horacio S. Rodrigues, António Navarro Rodrigues | 1996-05-21 |
| 5040607 | Production system for subsea oil wells | Andre L. Cordeiro, Helio L. M. Falcao, Samir P. Awad | 1991-08-20 |
| 4960174 | Equipment for oil well drilling and completing operations in deep water | Jayme H. Ogura | 1990-10-02 |
| 4877088 | Process and equipment for oil well drilling and completing operations in deep water | Jayme H. Ogura | 1989-10-31 |