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Youchun Yan

GC Guangdong Roman Technology Co.: 1 patents #1 of 1Top 100%
📍 Dongguan, CN: #43 of 239 inventorsTop 20%
Overall (2017): #89,868 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D806228 Water pick 2017-12-26
D797994 Hair curler 2017-09-19