FJ

Frederick J. Jeffers

SP Spin Physics: 1 patents #3 of 11Top 30%
📍 Escondido, CA: #1 of 29 inventorsTop 4%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #65,318 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4318136 Magnetic recording apparatus and method — 1982-03-02