TC

Tien-Chi Chang

📍 Keelung, TW: #359 of 650 inventorsTop 60%
Overall (All Time): #2,728,450 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11013953 Balanced support structure of aerobics step — 2021-05-25