SC

Stephen S. Chang

📍 San Francisco, CA: #59 of 251 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #55,800 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4874629 Purification of fish oil Yongde Bao, Timothy J. Pelura 1989-10-17