SH

Sung Ryul Hwang

DC Dong-A Pencil Co.: 2 patents #1 of 1Top 100%
📍 Seoul, KR: #167 of 1,320 inventorsTop 15%
Overall (2003): #41,601 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D482398 Marker pen — 2003-11-18
D480756 Ball point pen — 2003-10-14