JC

John Cartwright

DL Data Recording Instrument Company Limited: 1 patents #3 of 12Top 25%
📍 Letchworth, GB: #34 of 64 inventorsTop 55%
Overall (All Time): #4,083,250 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249301 Methods for manufacturing magnetic transducing heads — 1981-02-10