YH

Yung-San Hsu

📍 Zhubei City, TW: #657 of 1,506 inventorsTop 45%
Overall (All Time): #2,370,637 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4269132 Position indicating unit for sewing machines — 1981-05-26
4222471 Clutch and brake arrangements for a motor — 1980-09-16