KS

Kwok Shek

AL Addway Engineering Limited: 2 patents #2 of 3Top 70%
📍 Tuen Mun, CN: #38 of 119 inventorsTop 35%
Overall (All Time): #2,262,179 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5784743 Electric toothbrushes 1998-07-28
5778474 Mechanically driven toothbrush 1998-07-14