Display Device
Patent: 3,977,112
Issued: Aug. 31, 1976
Inventor: Carl Breer II, New York
A display device consists of a platelike sheet of rigid, transparent material with a pair of spaced, opposite, parallel edges. The sheet is bent in the area of each of the edges along lines parallel to and spaced from the edges to form a pair of lips. Each of the lips extends at a predetermined angle with the sheet in the area of a corresponding edge. Each angle opens toward the other. Adhesive is provided on corresponding surfaces of the lips.