ZH

Zhengcen Hou

Overall (All Time): #1,342,340 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1087331 Oral irrigator 2025-08-05
D986411 Water flosser 2023-05-16
D909563 Blackhead remover 2021-02-02