KN

Keng-Hao Nien

NC Nien Made Enterprise Co.: 3 patents #2 of 8Top 25%
Overall (2022): #73,704 of 548,613Top 15%
3
Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11480230 Damping device of window covering Lin Chen 2022-10-25
11230881 Block and tackle window blind Lin Chen 2022-01-25
11220860 Position-fixing system Lin Chen 2022-01-11