Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734150 | Lubricating oil compositions | Christopher John May, Jeffrey R. Torkelson, Paul Simon Woolley | 2004-05-11 |
| 6689725 | Lubricant composition for diesel engines | — | 2004-02-10 |