Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11931506 | Dry powder inhaler | Changhui Li, Ping Dong | 2024-03-19 |
| D912800 | Inhaler | Changhui Li, Mingbo He | 2021-03-09 |
| D888931 | Inhaler | Changhui Li, Liping Zhou | 2020-06-30 |
| 8381495 | Gel mat and method for manufacturing the same | Litao Fan | 2013-02-26 |