BDR - Blonder Tongue promotes Grauch to CEO December, 26 2019 04:56 PM Blonder Tongue Laboratories Inc. Blonder Tongue Laboratories (NYSEMKT:BDR) picks its president, Edward R. Grauch, to become its new CEO, effective Jan. 1, 2020.More news on: Blonder Tongue Laboratories, Inc., Tech stocks news, Read more ...