Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Year | Description |
| 2003 | Invention patented by Stephen D. Gearhart on May 11th, 2003. Abstract: An aquarium device for draining and cleaning an aquarium. The aquarium device includes a base having a top side, a bottom side, a first side, a second side, a third side and a fourth side. The top side has a depression therein. A peripheral edge of the depression has a slot therein. A valve selectively opens and closes to facilitate draining water. A substantially rigid panel having slots therethrough has a size and shape substantially equal to the peripheral edge of the depression. The panel may abut the peripheral edge and generally cover the depression. A housing has a top and bottom open end. The bottom end has an edge extendable into the slot such that a generally watertight seal is defined. The housing comprises a substantially transparent material. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.