Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619952 | Systems and methods of preventing access to users of an access control system | Liugang Zhao, Hongshan Zhang | 2017-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619952 | Systems and methods of preventing access to users of an access control system | Liugang Zhao, Hongshan Zhang | 2017-04-11 |