Inventor

RYAN LEO F

US3 patents

Patents

3 patents

US4405466ASep 20, 1983

Backwash method and apparatus

ECODYNE CORP54 citations87

US4267039AMay 12, 1981

Fluid filtration method and apparatus

ECODYNE CORP25 citations77

US4210537AJul 1, 1980

Liquid treatment apparatus

ECODYNE CORP14 citations70