YH

Yong S. Ham

📍 Seodaemun-gu, KR: #59 of 340 inventorsTop 20%
Overall (All Time): #1,667,366 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4914773 Cleaning apparatus — 1990-04-10
4679790 Baseball exercising device — 1987-07-14
4609195 Mechanical boxing toy — 1986-09-02