Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1090649 | Laser engraving machine | Hongwei Geng, Guihua He | 2025-08-26 |
| D1028037 | 3D printer | Yingsheng Hong, Guihua He | 2024-05-21 |
| D988376 | 3D printer | Yingsheng Hong, Guihua He | 2023-06-06 |