Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6910455 | Spark ignition engine with shallow bowl-in-piston geometry | Jianwen James Yi, Nizar Trigui, Zhiyu Han | 2005-06-28 |
| 5870990 | Cylinder bore liner for an internal combustion engine | — | 1999-02-16 |