Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129416 | Electronic cigarette | — | 2021-09-28 |
| 10919334 | Anti-counterfeiting pattern having optically variable structure and preparation method thereof | Xing Zhang, QINGFEI MENG, Yong Zhang, Xiaoquan Zhou, Shifan Zhang | 2021-02-16 |