Inventor

AGRESTA MARK G

US4 patents

Patents

4 patents

USD628675SDec 7, 2010

Aquarium filter cartridge with tab

TETRA HOLDING US INC20 citations89

US7316775B2Jan 8, 2008

Air-powered filter arrangement

TETRA HOLDING US INC18 citations82

USD626193SOct 26, 2010

Aquarium filter cartridge with tab

TETRA HOLDING US INC9 citations81

US7241379B2Jul 10, 2007

Filter housing arrangement

TETRA HOLDING US INC14 citations80