ZL

Zhengyun Li

Overall (All Time): #797,768 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D1032475 Pedal boat — 2024-06-25
D1031616 Pedal boat — 2024-06-18
D939421 Pedal drive for kayak — 2021-12-28
D939422 Foldable pedal drive for kayak — 2021-12-28
10780965 Quarter-twist pedal propeller — 2020-09-22
D869368 Quarter-twist pedal propeller — 2019-12-10