Issued Patents 2025
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421793 | Safety gate | Guozhu Feng, Xinliang Ouyang | 2025-09-23 |
| D1089711 | Safety gate | Guozhu Feng, Xinliang Ouyang | 2025-08-19 |
| D1083147 | Safety gate | Guozhu Feng, Xinliang Ouyang | 2025-07-08 |
| D1072278 | Safety gate | Guozhu Feng, Xinliang Ouyang | 2025-04-22 |
| D1060735 | Safety gate | Guozhu Feng, Xinliang Ouyang | 2025-02-04 |
| 12196037 | Door guardrail | Guozhu Feng, Xinliang Ouyang | 2025-01-14 |