Chia-Fa Yang

📍 Danei, TW: #10 of 52 inventorsTop 20%

Overall (1994): #148,312 of 165,921Top 90%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5306193	Toy double club with whistles	—	1994-04-26