CY

Chin-Sheng Yang

Overall (2022): #169,250 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11378240 Light and shadow water ball structure 2022-07-05
11306888 Rotating mechanism of water lamp handicraft 2022-04-19