DK

Dong Chan Koo

Overall (All Time): #1,747,512 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11897824 Method of preparing activated mineral solution 2024-02-13
11834342 Method of preparing ionized calcium oxide powder 2023-12-05