75468489
Apr 15, 1998
Apr 17, 2001
water movement devices, namely, pumps for use in aquariums; power operated wave generation wheels for use in aquariums
Machineryalgal turf scrubbing units for use in aquariums, water purification wheels for use in aquariums; water treatment units, namely, filtration and purification devices, for use in aquariums
Environmental Control Apparatus