Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12198145 | Logistics management system and method using blockchain | Shing Yee Chu, Chi Keung Wong, Tsz Fung Leung, Samuel Chen Ying Ng | 2025-01-14 |
| 10977756 | Location based quality assurance system | Kwong Yip Cheng, Kam Chuen Yeung, Kwok Shing Leung | 2021-04-13 |
| 9365343 | Dispenser with motor, gear plate, and snap fit cap | Robert W. Klemm | 2016-06-14 |
| D327342 | Hand held vacuum cleaner | — | 1992-06-23 |