JD

Jiantai Dou

📍 Zhenjiang, CN: #125 of 293 inventorsTop 45%
Overall (All Time): #2,575,351 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11614639 Multi-ring multi-focal-length single-ring inner wavy lens — 2023-03-28