RE

Ray Ellis

PL Phosphor Products Company Limited: 1 patents #2 of 4Top 50%
📍 Trochu, CA: #1 of 5 inventorsTop 20%
Overall (1989): #67,910 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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