JL

Jai-Jin LEE

📍 Cheongju-si, KR: #489 of 787 inventorsTop 65%
Overall (All Time): #3,131,651 of 4,157,543Top 80%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8869448 Apparatus for automatically controlling crossing gate by sensing light — 2014-10-28