TK

Tong Chi Kin

BD Black & Decker: 1 patents #1,429 of 2,138Top 70%
📍 Sai Kung, CN: #19 of 44 inventorsTop 45%
Overall (All Time): #3,590,659 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6273200 Screwdriver with manuel spindel lock Roger Q. Smith, Fung Chi Ho, Lam Kar Lok 2001-08-14