Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750183 | Lubricating oil composition | Antonio Gutierrez, Ricardo Bloch, Nancy Z. Diggs, Fredrick Girschick, David J. Martella +1 more | 2004-06-15 |
| 6743757 | Dispersants and lubricating oil compositions containing same | Ian Bell, Raymond Fellows, Antonio Gutierrez, Robert Robson | 2004-06-01 |
| 6734148 | Dispersants and lubricating oil compositions containing same | Ian Bell, Raymond Fellows, Antonio Gutierrez, Robert Robson | 2004-05-11 |
| 6715473 | EGR equipped diesel engines and lubricating oil compositions | Andrew J. D. Ritchie, Jai G. Bansal, Glen Fetterman, Antonio Gutierrez, Matthew Irving +2 more | 2004-04-06 |