CT

Chao-Hsiung Tsai

Overall (All Time): #1,667,775 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4924743 Musical dancing block set — 1990-05-15
4831749 Footwear having single-layer ventilating and massaging insole — 1989-05-23
4755005 Axle-variating means for eccentric and concentric wheel — 1988-07-05