DL

Der-Shen Lai

PC Plum Industrial Co.: 1 patents #2 of 4Top 50%
Overall (All Time): #3,867,491 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4984141 Warning and lighting flash light Larry Lai, Zong-Syh Lai 1991-01-08