Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10633337 | Crystal forms of a 9-aminomethyl substituted tetracycline compound and a preparation method thereof | Zhenhua Huang, Mei Feng Hong | 2020-04-28 |
| 10623847 | Headphone with multiple acoustic paths | — | 2020-04-14 |