GL

Gu Youl Lee

📍 Cheongju-si, KR: #489 of 787 inventorsTop 65%
Overall (All Time): #3,266,306 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8038063 Portable security printed matter authentication device — 2011-10-18