Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11146879 | Ear cap and earphone | — | 2021-10-12 |
JL
Jia Liu
Overall (2021): #405,029 of 548,734Top 75%
1
Patents 2021