Chi Fung Cheng

AC Artin Industrial Co.: 1 patents #1 of 2Top 50%

📍 Sha Tin, CA: #2 of 4 inventorsTop 50%

Overall (1989): #126,839 of 140,708Top 95%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D302446	Controller for toy racing vehicle	—	1989-07-25