YK

You Shik Kwak

Overall (2019): #103,078 of 560,194Top 20%
2
Patents 2019

Issued Patents 2019

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