QC

Qinjie Chen

Overall (2025): #30,912 of 469,880Top 7%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1080014 Solar light 2025-06-17
D1061821 Urinal screen 2025-02-11
D1061822 Urinal screen 2025-02-11
D1060616 Urinal screen 2025-02-04