Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692463 | Electromechanically actuated valve with multiple lifts | Feng Liang | 1997-12-02 |
| 5647311 | Electromechanically actuated valve with multiple lifts and soft landing | Feng Liang | 1997-07-15 |
| 5645019 | Electromechanically actuated valve with soft landing and consistent seating force | Feng Liang | 1997-07-08 |