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Yaw-Mein Yang

📍 Changhua City, TW: #473 of 984 inventorsTop 50%
Overall (All Time): #3,929,888 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838051 Padlock and key assembly with transversely movable tumbler units and vertically movable tumbler units — 1989-06-13