Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638325 | Oil additives and compositions | Ramah J. Brod, Brian William Davies | 2003-10-28 |
| 6569821 | Overbased metal detergents | John A. Cleverley, Phillip Skinner, Jane Galsworthy, Christopher Adams, Rudi ter Haar | 2003-05-27 |