Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9111471 | Sheeting with dynamic three-dimensional images and manufacture device thereof | Liangheng Xu, Yun Gao, Kai Yang | 2015-08-18 |
| 8444279 | Security film and process for preparation thereof | Liangheng Xu, Kai Yang | 2013-05-21 |