SM

Sheng-Lung Ma

📍 Changhua City, TW: #473 of 984 inventorsTop 50%
Overall (All Time): #3,652,877 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5918324 Water saving two-stage toilet Ming-Chang Hwang 1999-07-06