YS

Yunhong Sun

PC Positec Technology China Co.: 1 patents #9 of 23Top 40%
Overall (All Time): #2,777,598 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10575465 Mower with side and bottom protection for cutting mechanism Yuanzhong Ran, Jiang Du, Xiahong Zha, Fengli Zhao 2020-03-03