US Patent 7140581 Portable stand for supporting a sign

A portable stand for supporting one or more signs. The stand has a base, and a post extending vertically upward from the base. A pair of frames, having a cutout side, and a front window, attach securely to the post for holding the signs therein. The signs each insert into the frames along the cutout side of the frame, and are viewed through the front window of the frame. The base includes two sides, each having a recess that extends inwardly from the sides. A pair of wheels are secured within the recess for easily moving the stand. The base and the post each have a hollow inside cavity for temporarily holding water or sand therein for providing additional support and stability to the stand.