YY

Young Ki Yoon

SC Samhongsa Co.: 3 patents #1 of 2Top 50%
📍 Changwon-si, KR: #1 of 18 inventorsTop 6%
Overall (2002): #17,963 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6481675 Outer tube support plate structure of a gas cylinder — 2002-11-19
6371421 Device for controlling the height of a swivel chair Dong Ma 2002-04-16
6367657 Control valve for a gas cylinder — 2002-04-09