YW

Yungui Wu

ZC Zhejiang Sanou Machinery Co.: 1 patents #4 of 8Top 50%
Overall (All Time): #2,683,226 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11458547 Self-locking drill chuck Wenhua Zhou, Xuebiao Tong 2022-10-04