HC

Hwa-Tien Chen

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,178,088 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6865768 Sponge mop assembly 2005-03-15
6061863 Mop provided with means to enhance water absorbing effect thereof and durability thereof 2000-05-16