FS

Francis N. Shaffer

GP Gte Products: 1 patents #520 of 928Top 60%
📍 Towanda, PA: #108 of 182 inventorsTop 60%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,089,002 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4266137 Cerium activated yttrium gadolinium phosphate x-ray phosphors, process for producing same, an x-ray intensifying screen employing same 1981-05-05