Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11988328 | Hand-held shoulder-carrying device | Kefeng Zhou | 2024-05-21 |
| 11906885 | Folding handle mechanism | Kefeng Zhou | 2024-02-20 |
| 11892119 | Suction-operated device | Kefeng Zhou | 2024-02-06 |