JF

Joseph R. Francis

📍 Ouston, GB: #3 of 3 inventorsTop 100%
Overall (All Time): #3,950,673 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4739970 Rotary anti-scaling device 1988-04-26