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US4804012A
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Aquarium air valve system and hanger unit
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US4820556A
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Decorative shelf system for aquarium or terrarium
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US4708089A
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Animal habitat system for use in an animal enclosure
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US4713173A
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Three element aquarium filter cartridge
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US4678568A
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Multi-use aquarium maintenance system
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US4693817A
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Gravel trap and collar assembly for an undergravel aquarium filter system
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US4620924A
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Aquarium corner filter
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US4571766A
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Device for cleaning the interior surface of an aquarium
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US4318945A
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Underwater aquarium decoration assembly
|
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US4251938A
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Aquarium fish net
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US4272672A
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Aquarium heater
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US4169378A
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Aquarium thermometer
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US4169382A
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Aquarium thermometer
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US4152263A
|
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Heated water circulator for aquariums
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US3998242A
|
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Plastic gang valve assembly
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US3895605A
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Aquarium equipment organizer
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US3900004A
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Automatic circulating hatchery
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US3828176A
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Safe underwater lighting system for aquariums
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