Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468319 | Diesel fuel containing ester to reduce emissions | Lisa I-Ching Yeh | 2002-10-22 |
| 6458176 | Diesel fuel composition | Lisa I-Ching Yeh, Richard C. Miller, Raf Caers | 2002-10-01 |
| 6447557 | Diesel fuel composition | Lisa I-Ching Yeh, Richard C. Miller, John Richard Bateman, Raf Caers | 2002-09-10 |
| 6447558 | Diesel fuel composition | Lisa I-Ching Yeh, Richard C. Miller, Raf Caers | 2002-09-10 |