SC

Shao-Ying Chang

📍 Guoxing Township, TW: #46 of 230 inventorsTop 20%
Overall (All Time): #1,053,015 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5803872 Step exerciser — 1998-09-08
5556352 Stair exerciser — 1996-09-17
5484368 Multi-function pull bar — 1996-01-16
5348520 Exercise stepper — 1994-09-20
4726581 Exercise stair device — 1988-02-23