Cheng Yu Chan

UN Unknown: 1 patents #342 of 3,065Top 15%

📍 Shiliujia, TW: #34 of 78 inventorsTop 45%

Overall (2023): #493,550 of 537,848Top 95%

Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11642568	Limb exercise machine	Chueh Hao Chan	2023-05-09