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Chung-Jen Cheng

JC Jin Sun Gee Plastics Co.: 2 patents #1 of 1Top 100%
📍 Tainan, TW: #163 of 837 inventorsTop 20%
Overall (2018): #160,880 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D829135 Upper tray for a baby walker 2018-09-25
D829136 Upper tray for a baby walker 2018-09-25