Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6649576 | Lubricating oil compositions | Robert Robson | 2003-11-18 |
| 6569820 | Manufacture of lubricant additives | Jonathan M. McConnachie, Edward I. Stiefel, Stanley J. Brois, Ernestine W. Hill, Alisdair Brown | 2003-05-27 |
| 6541429 | Lubricant compositions | Jonathan M. McConnachie, Alisdair Brown, Edward I. Stiefel, Ernestine W. Hill | 2003-04-01 |