 The new moving-coil speaker system was installed in New York's Warners Theatre at the end of July and its patent submission, for what Western Electric called the No.555 Receiver, was filed on August 4, just two days before the premiere of "Don Juan".Late in the year, AT&T/Western Electric created a licensing division, Electrical Research Products Inc. (ERPI), to handle rights to the company's film-related audio technology.