Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190924 | Tracking device for a track and locate system | Wing Hung Cheung, Ka King To | 2021-11-30 |
| 10974882 | Container security system | Jacky Sai Ping Tsang, Cheuk Kuen Chim, Wing Hung Cheung | 2021-04-13 |
| 10939244 | Track and locate system | Wing Hung Cheung, Ka King To | 2021-03-02 |
| 10903917 | Receiver device for a track and locate system | Wing Hung Cheung, Ka King To | 2021-01-26 |