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YD

Yeu J. Dai

Overall (All Time): #2,324,473 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4942949 Antislipping device for cars in a stationary state — 1990-07-24
4934477 Automatic control device for preventing rear-end collision of motorized vehicles — 1990-06-19

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