Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1084341 | Oxygen chamber | Zongbing Pan, Pingping Zhang, Xiaoe Peng | 2025-07-15 |
| 7988442 | Vacuum mold and device for drilling extraction holes therein | Jiang Feng Yu, Yi Zhao, BO LIU, Shao-Hui Zhang, QING-MING YUAN | 2011-08-02 |