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Huanjin Qiu

📍 Chaozhou, CN: #1 of 14 inventorsTop 8%
Overall (2022): #79,287 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D955211 Door harp 2022-06-21
D954143 Steel tongue drum 2022-06-07
D948604 Steel tongue drum 2022-04-12