Inventor

RIDER ALLISON L

US2 patents

Patents

2 patents

US5013435AMay 7, 1991

Clarifying system for liquids

RIDER ALLISON L48 citations87

US5204048AApr 20, 1993

Method for making a bundle of helical tubes and apparatus for separating impurities from a polluted liquid

RIDER ALLISON L11 citations68