CL

Cheng-Chia Lee

Overall (2020): #516,065 of 565,922Top 95%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10661357 Drill structure Sung-Hao CHIEN, Li-Yi CHAO, Feng-Yu Lin, Ming Zhao, Chun-Yu Chen 2020-05-26