CF

Charles W. Fergusson

Overall (All Time): #3,976,594 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4673498 Automatic backwashing filter Denis P. Swinney, Norman Twizell 1987-06-16