Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6514904 | Hydrocarbon conversion catalyst and process of using thereof | Robin E. Shepherd, Andrzej Z. Ringwelski, John Y. Park | 2003-02-04 |
| 6503866 | Attrition resistant catalyst with reduced surface area | Robin E. Shepherd, John Y. Park, Andrzej Z. Ringwelski | 2003-01-07 |