SY

Sang su Yoon

📍 Seoul, KR: #18,030 of 39,741 inventorsTop 50%
Overall (All Time): #1,865,524 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11125529 Bullet decelerator for toy gun — 2021-09-21
10890405 Non-tilting outer barrel for toy gun — 2021-01-12