YB

Young Ho Bok

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #2,667,615 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11389775 Stirrer comprising two rotating shafts having intersecting stirring blades capable of rotating symmetrically and rotating in identical direction and stirring method So Yeon Bok 2022-07-19