IJ

Ik-Byung Jang

📍 Gwanak-gu, KR: #20 of 47 inventorsTop 45%
Overall (All Time): #3,238,937 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7878520 Overdrive system for four-wheel bicycle — 2011-02-01