DP

Donggwan PARK

Overall (2021): #165,694 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11141304 Device for assisting human body bending/stretching using elastic body — 2021-10-12
10888165 Telescopic single-legged portable working chair — 2021-01-12