TC

Tien-Chi Chang

📍 Keelung, TW: #38 of 87 inventorsTop 45%
Overall (2021): #232,783 of 548,734Top 45%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

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