FJ

Fredrick J. Jeffers

SP Spin Physics: 1 patents #8 of 15Top 55%
📍 Escondido, CA: #808 of 1,330 inventorsTop 65%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,073,753 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4343026 Magnetoresistive head employing field feedback Neil J. Griffith, Ward M. Calaway 1982-08-03