SC

Shiunn C. Chang

📍 Wang'an Town, TW: #231 of 480 inventorsTop 50%
Overall (All Time): #4,083,806 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4250843 Engine with revolutionary internal-combustion unit and compression ratio auto-controlled device — 1981-02-17