YL

Yan Shun Leung

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,762,337 of 4,157,543Top 70%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11180930 Household electric and mechanical dual-controlled intelligent lock Lok Shun Leung 2021-11-23