Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10493788 | Optical security device with full parallax diffraction optical variable image | Xiaoli Wang, Xinyi Li, Chengyao Li | 2019-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10493788 | Optical security device with full parallax diffraction optical variable image | Xiaoli Wang, Xinyi Li, Chengyao Li | 2019-12-03 |