WL

Wai Kei Leung

SS S. C. Johnson & Son: 1 patents #961 of 1,588Top 65%
📍 Yuen Long, CN: #17 of 86 inventorsTop 20%
Overall (All Time): #1,068,788 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
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