CC

Chi Cheung Chung

SC Simatelex Manufactory Co.: 1 patents #7 of 19Top 40%
📍 Sha Tin, CN: #1,175 of 2,424 inventorsTop 50%
Overall (All Time): #3,530,910 of 4,157,543Top 85%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6660070 Air purifier Stephen Wai-Kin Chan, Wing Chung Li 2003-12-09