Inventor

BOS JOHN A

US3 patents

Patents

3 patents

US4159247AJun 26, 1979

Locking filter apparatus and method

AMSTED IND INC3 citations58

US4180462ADec 25, 1979

Method and means for filtering liquids

AMSTED IND INC2 citations54

US4137175AJan 30, 1979

Method and means for filtering liquids

AMSTED IND INC1 citations44