Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8188021 | Lubricating oil compositions | Chin-Chiun Chu, Rolfe J. Hartley, Stuart Briggs, Jacob Emert | 2012-05-29 |
| 7018962 | Viscosity index improver concentrates | Ricardo A. Bloch, Dean B. Clarke | 2006-03-28 |
| 6869919 | Lubricating oil compositions | Andrew J. D. Ritchie, Jacob Emert, Glen Fetterman, Antonio Gutierrez, Matthew Irving +2 more | 2005-03-22 |
| 6715473 | EGR equipped diesel engines and lubricating oil compositions | Andrew J. D. Ritchie, Jacob Emert, Glen Fetterman, Antonio Gutierrez, Matthew Irving +2 more | 2004-04-06 |