QL

Qiuyun Liang

📍 Fujian, CN: #833 of 1,685 inventorsTop 50%
Overall (All Time): #2,603,685 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11744328 Tightness adjusting device for shoeslaces Liyong Chen, Zhiliang Yao 2023-09-05