JF

John S. Fawkes

AM Ampex: 4 patents #35 of 247Top 15%
📍 San Jose, CA: #12,320 of 32,062 inventorsTop 40%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,307,496 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4503396 Circuit and method for generating a ramp signal 1985-03-05
4480275 Constant current biased head driver 1984-10-30
4438466 D.C. Controlled adjustable ramp signal generator and method Walter F. Umholtz 1984-03-20
4428008 Electronic switching circuit for use in magnetic head drives 1984-01-24