SC

Sung Joo Chang

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Yangcheon-gu, KR: #9 of 22 inventorsTop 45%
Overall (All Time): #3,395,691 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7267735 Prefab-type waterproofing structure and method for fabricating the waterproofing structure — 2007-09-11