NW

Norman J. Werring

PL Phosphor Products Company Limited: 1 patents #2 of 4Top 50%
📍 Woodside, GB: #1 of 2 inventorsTop 50%
Overall (1989): #140,517 of 140,708Top 100%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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