KS

Katharine E. Smith

PL Pilkington Group Limited: 1 patents #58 of 119Top 50%
📍 Dewsbury, GB: #10 of 20 inventorsTop 50%
Overall (All Time): #3,714,403 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5623005 Photochromic naphthopyran compounds Martin Rickwood, Christopher David Gabbutt, John David Hepworth 1997-04-22