YJ

Yong Chai Jeong

Overall (All Time): #2,622,563 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11826931 Method of manufacturing multi-hardness and multi-elasticity foam mattress by use of continuous foaming process and foam mattress manufactured thereby 2023-11-28