HH

Huan-Chi Hsu

ZC Zeng Hsing Industrial Co.: 1 patents #9 of 28Top 35%
📍 Jianshi, TW: #25 of 49 inventorsTop 55%
Overall (All Time): #3,152,406 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8402903 Feed dog device for a sewing machine Shui-Chun Tseng, Hsueh-Hua Liu 2013-03-26