QL

Qiuyun Liang

📍 Fujian, CN: #183 of 491 inventorsTop 40%
Overall (2023): #291,256 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

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