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| Number | Title | Issue Date |
| 8065975 | Temperature measuring, algae cleaning and feeding systems for aquariums A temperature measuring, algae cleaning and feeding system which includes a thermometer mounted on one side of a first support. At least one first magnet is mounted on an opposite side of the first support. The opposite side of the first support is adapted to engage... | 11/29/2011 |
| 8033252 | Aquarium having improved filtration system with neutral buoyancy substrate, pump and sediment removal system An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump and a sediment removal system for collecting and removing sediment which passes through the under gravel filter. The under gravel filter includes a hollow ... | 10/11/2011 |
| 7430989 | Aquarium having improved filtration system with neutral buoyancy substrate and sediment removal system An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump and a sediment removal system for collecting and removing sediment which passes through the under gravel filter. The under gravel filter includes a hollow ... | 10/07/2008 |
| 7249571 | Aquarium having improved filtration system An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump. The under gravel filter includes a hollow bubble dispersing base plate having a perforated top surface and an overlying substrate. An air conduit is provi... | 07/31/2007 |
