Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10996487 | Combined glasses structure, frameless glasses, half-frame glasses and full-frame glasses | Qunyan Shangguan | 2021-05-04 |
| D827016 | Glasses | Qunyan Shangguan | 2018-08-28 |