ET

Ernest J. Twigger

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 Romford, GB: #78 of 160 inventorsTop 50%
Overall (All Time): #4,024,528 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4552452 Daylight enlarger George F. A. M. Turner, Michael H. Moore 1985-11-12