SH

Sung Ryul Hwang

DC Dong-A Pencil Co.: 2 patents #1 of 1Top 100%
📍 Seoul, KR: #201 of 1,579 inventorsTop 15%
Overall (2004): #39,884 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D487770 Ball point pen 2004-03-23
D487771 Ball point pen 2004-03-23