YC

Yen Hsi Chang

📍 El Monte, CA: #4 of 18 inventorsTop 25%
🗺 California: #8,996 of 28,521 inventorsTop 35%
Overall (2003): #88,281 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6584993 Portable-type cleaning device for internal combustion engine — 2003-07-01