JK

Jaebok KANG

DC Dawon Dns Co.: 2 patents #1 of 7Top 15%
Overall (All Time): #2,011,816 of 4,157,543Top 50%
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9410352 Door closer provided with unit for adding door-closing force Joungwoo Lee 2016-08-09
9410353 Door closer Joungwoo Lee 2016-08-09