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CL

Chenmin Lai

Overall (All Time): #2,316,913 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5020559 Umbrella cover construction — 1991-06-04
4966180 Expansible type triangular umbrella ribs and the related collapsing mechanism — 1990-10-30

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