SJ

Seung-Hoon Jeong

Overall (All Time): #2,137,155 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7563362 Auto-regenerable hot and cold water softener 2009-07-21
7285220 Water softener Choong-hoon Jeong 2007-10-23