EC

Ethan W. Cliffton

📍 San Francisco, CA: #59 of 251 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #116,097 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4840458 Fixed shutter construction for a split-sphere observatory dome — 1989-06-20