US Patent 7891124 Picture hanger

A frame hanger apparatus including a rectangular wall piece for attachment to a wall and a frame piece attachable to a picture frame. The wall piece has front and back surfaces, the front surface having a lower lip and an upper lip formed thereon. The lower lip has an arced top surface, and the upper lip has first and second elongated horizontally disposed mounting slots positioned therein. The frame piece has a lip projecting from the front surface which has an arced surface thereon. The arced top surface of the wall piece is dimensioned to dovetail with the arced surface of the lip of the frame piece and an overhanging lip on the wall piece is positioned so as to lock the wall piece and frame piece together.