UC

Un Hwa Chung

Overall (All Time): #1,450,696 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10653287 Rotary mop cleaner 2020-05-19
D871321 Rechargeable battery 2019-12-31
D795518 Rotary mop with durable gear drive unit 2017-08-22