Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247585 | Blower device and respirator including blower device | Shumin Gao, Zhi Zhuang | 2025-03-11 |
| 11009046 | Blower device and respirator including blower device | Shumin Gao, Zhi Zhuang | 2021-05-18 |
| 10539158 | Blower device and respirator including blower device | Shumin Gao, Zhi Zhuang | 2020-01-21 |