Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402769 | Wet-and-dry floor brush for vacuum cleaner | Zhuang Bian | 2025-09-02 |
| 12029363 | Cleaning head for a floor cleaning equipment | Zhuang Bian | 2024-07-09 |
| 5633048 | Hand held dispenser for laying a strip of flexible material under a seal, laying method therefor, and uses of said strip | — | 1997-05-27 |