Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D977644 | Valve stent | Frank Zeng, Jess Qi | 2023-02-07 |
| D910852 | Valve stent | Frank Zeng, Jess Qi | 2021-02-16 |
| D909581 | Valve replacement device | Frank Zeng, Jess Qi | 2021-02-02 |
| 10537427 | Valve stent used safely and valve replacement device having the same | Frank Zeng, Jess Qi | 2020-01-21 |
| 6163893 | Deodorizing toilet seat pad | — | 2000-12-26 |