HZ

Hongcai Zhao

📍 Miaocheng, CN: #43 of 114 inventorsTop 40%
Overall (All Time): #3,561,129 of 4,157,543Top 90%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6468036 Adjustable crank of swinging mechanism Jiajun Song, Wei Song 2002-10-22