Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6521570 | Automotive lubricant | Marcel Alphonse Ostyn, Dominique Alves, Alain Bouffet | 2003-02-18 |
| 6232279 | Fuel-economy lubrication-effective engine oil composition | — | 2001-05-15 |