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Qingsong Sun

NC Nanjing Chervon Industry Co.: 1 patents #146 of 296Top 50%
Overall (All Time): #2,502,608 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11997945 Hand push lawn mower with a height adjustment assembly Fangjie Nie, Toshinari Yamaoka, Haishen Xu, Dezhong Yang, Chao Xian 2024-06-04