YK

You Shik Kwak

Overall (All Time): #1,931,685 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10449727 Method for connecting plastic pipes and structure for connecting the same — 2019-10-22
10226898 Method for connecting plastic pipes and structure for connecting the same — 2019-03-12