In 1929 Mr. Pierce was issued a patent for this invention from the United States Patent & Trademark Office (USPTO). There are 3 documents included with this patent. The drawing specification sheet of the patent has been reproduced from original USPTO documents and printed onto parchment paper. This print is sized and ready to install into an 8" x 10" frame. The additional sheets included are printed on 5.50" x 8.50" parchment paper. These accompanying documents describe the scope of this invention in formal terms. The following is an actual excerpt from the patent…

       " What is claimed is: 1. A case for a game ball, composed of panels, each of which has length equal to a major part of the ball circumference, one continuously curved side edge, opposite, shorter, separately curved side edges, a con­vexly curved polar projection intermediate the separately curved side edges, and con­cavely curved ends to fit portions of the polar projections of another panel, the panels being connected together in pairs along said continuously curved side edges, and separately curved side edges of the panels of one pair being connected to simi­lar edges of panels of another pair, and the concavely curved ends of the panels of one pair being connected to the polar projections of panels of another pair"…