OJ

Oh Ju-whan

📍 Jeonju-si, KR: #133 of 289 inventorsTop 50%
Overall (All Time): #3,437,927 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6837828 Elasticity-controllable trampoline using plate spring Oh Kyoung-chan 2005-01-04