US Patent 7472486 Level with vial and manufacturing method therefor

A level with a level indicating vial is disclosed. The level includes a frame that defines at least one substantially flat exterior surface configured to be placed against a reference surface. The frame defines a plurality of interior surfaces. The level also includes a vial for indicating an orientation of the reference surface, and a vial holder for holding the vial in an orientation relative to the flat exterior surface of the frame. The vial holder is configured to cooperate with one of the interior surfaces of the frame to define a cavity when the vial holder contacts the interior surface. The level also includes an adhesive disposed in the cavity to secure the vial holder to the frame.