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

| Year | Description |
| 2000 | Invention patented by Craig Cranfill and Robert L. Brinegar on April 13th, 2000. Abstract: A corner guard assembly is provided for use with an otherwise conventional aquarium. The corner guard assembly has an outer aesthetic cap, generally "L" shape, having a magnet attached to the inside surface and a layer of felt attached, covering the magnet. An oppositely polar inner retaining magnet, in a generally "L" shape, is place on an inside of an aquarium and holds the outer cap to cover the corners of the aquarium. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.