KW

Ka Shing Wu

AL Addway Engineering Limited: 4 patents #1 of 3Top 35%
📍 Tseung Kwan O, CN: #23 of 213 inventorsTop 15%
Overall (All Time): #862,517 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8177966 UV liquid storage and dispensing device 2012-05-15
8128820 UV liquid storage and dispensing device 2012-03-06
6453498 Electric toothbrush 2002-09-24
6182321 Toothbrush 2001-02-06
6047429 Toothbrush with water jet 2000-04-11
5931170 Dental flosser 1999-08-03