Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6743757 | Dispersants and lubricating oil compositions containing same | Ian Bell, Jacob Emert, Antonio Gutierrez, Robert Robson | 2004-06-01 |
| 6734148 | Dispersants and lubricating oil compositions containing same | Ian Bell, Jacob Emert, Antonio Gutierrez, Robert Robson | 2004-05-11 |