Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409926 | Controlling engine operation with a first and second fuel | Harold Huimin Sun | 2008-08-12 |
| 7284506 | Controlling engine operation with a first and second fuel | Harold Huimin Sun | 2007-10-23 |