NW

Norman J. Werring

PL Phosphor Products Company Limited: 1 patents #2 of 9Top 25%
📍 Woodside, GB: #23 of 34 inventorsTop 70%
Overall (All Time): #3,933,160 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4849673 Electroluminescent devices without particle conductive coating Ray Ellis, Malcolm H. Higton 1989-07-18