DL

Do Yean Lee

📍 Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #2,218,153 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6450551 Nonferrous metal pipe coupling structure — 2002-09-17
6092844 Pipe coupler — 2000-07-25