Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DL

Duoshan Liu

Overall (All Time): #2,839,360 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D838836 Exercise mask 2019-01-22