SY

Shin Dong Yeo

Overall (All Time): #1,447,114 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10589771 Cart with wheel that is easily lockable and unlockable 2020-03-17
10259482 Braking device for portable cart 2019-04-16
9266393 Caster with braked shaft and wheel at once 2016-02-23