CHICAGO, March 26, 2019 /PRNewswire/ — Stern Pinball, Inc., a global lifestyle brand based on the iconic and outrageously fun modern American game of pinball, proudly announced today the availability of a new line of pinball machines 40 years in the making.  The iconic pinball character, the Black Knight, returns to entertain a new generation of pinball players with the third game in the Black KnightTM franchise, Black Knight: Sword of RageTM.