CY

Changkwon Yoo

📍 Qingdao, CN: #946 of 2,087 inventorsTop 50%
Overall (All Time): #2,902,159 of 4,157,543Top 70%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10039384 Anti-noise spring chair — 2018-08-07