Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9857224 | Optical locking system and entrance guard system | Ling Zhang, Yang Wu, Chang-Hong Liu, Kai-Li Jiang, Shou-Shan Fan | 2018-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9857224 | Optical locking system and entrance guard system | Ling Zhang, Yang Wu, Chang-Hong Liu, Kai-Li Jiang, Shou-Shan Fan | 2018-01-02 |