EF

Eugene R. du Fresne

Caltech: 1 patents #2,143 of 4,321Top 50%
📍 Sierra Madre, CA: #124 of 216 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,045,223 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4486239 Vapor degreasing system — 1984-12-04