TW

Tak Ko Wong

TA T.K. Wong & Associates: 1 patents #1 of 1Top 100%
📍 Sha Tin, CN: #3 of 18 inventorsTop 20%
Overall (1989): #52,041 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4884989 Toy for tumbling down vertical surface — 1989-12-05