Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857830 | Silk fibroin-based optical anti-counterfeiting mark and preparation method thereof | Keqin ZHANG, Qingsong Li, Ning Qi, Xiaohua Zhang | 2020-12-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10857830 | Silk fibroin-based optical anti-counterfeiting mark and preparation method thereof | Keqin ZHANG, Qingsong Li, Ning Qi, Xiaohua Zhang | 2020-12-08 |