Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372352 | Device for observing and positioning sharpening angle of cutting edge | Jianhua Wang, Lei Fang, Xiuying Wang | 2025-07-29 |
| D1068193 | Combined broom and dustpan | — | 2025-03-25 |