HL

Ho Cheung Lau

DL Defond Componets Limited: 1 patents #21 of 50Top 45%
DC Defond Electech Co.: 1 patents #15 of 33Top 50%
Overall (All Time): #2,769,723 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10529502 Lockable trigger mechanism for use in an electrical device 2020-01-07