GB

Gyu-Il Byeon

📍 Gwangju, KR: #812 of 1,647 inventorsTop 50%
Overall (All Time): #3,257,217 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7984856 Cheat preventing OMR cardcheat preventing OMR card Jung-Ho Lee 2011-07-26