Support WBURWiffle Ball: Born And Still Made In The USAPlay04:27Download AudioChris ArnoldSeptember 05, 2011 ShareStephen Mullany, who runs The Wiffle Ball Inc. with his brother David, poses in front of the machine that presses the two plastic ball halves together at a factory in Shelton, Conn. Mullany's grandfather invented the Wiffle Ball in the 1950s. (NPR)