AP

Alan S. Penfold

📍 El Segundo, CA: #388 of 672 inventorsTop 60%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,081,109 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4243505 Magnetic field generator for use in sputtering apparatus — 1981-01-06