Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108143 | Antenna and related communication device | Kwok Wa Leung | 2021-08-31 |
| 10923818 | Dual-fed dual-frequency hollow dielectric antenna | Kwok Wa Leung | 2021-02-16 |
| 9966662 | Antenna | Kwok Wa Leung | 2018-05-08 |
| D656319 | Lint roller | Lee Cheuk Kye | 2012-03-27 |