Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1083083 | Choking rescue device | Zhigang Hong, Hao Jin | 2025-07-08 |
| D1076058 | Choking rescue device | Zhigang Hong, Hao Jin | 2025-05-20 |
| D1076059 | Choking rescue device | Zhigang Hong, Hao Jin | 2025-05-20 |