Inventor

HARDISON STEVEN D

US3 patents

Patents

3 patents

US5645718AJul 8, 1997

Reversible filter element

PARKER HANNIFIN CORP121 citations96

US7648565B2Jan 19, 2010

Filter element

PARKER HANNIFIN CORP34 citations91

US5362389ANov 8, 1994

Fuel filter assembly with reversible element

PARKER HANNIFIN CORP28 citations90