Williams initially was a manufacturer of pinball machines. In 1964, Williams was acquired by jukebox manufacturer Seeburg Corp. and reorganized as Williams Electronics Manufacturing Division. In 1973, the company branched out into the coin-operated arcade video game market with its "Pong" clone "Paddle Ball", eventually creating a number of video game classics, including "Defender" and "." In 1974, Williams Electronics, Inc. was incorporated as a wholly owned subsidiary of Seeburg. Williams Electronics was sold as an independent company during the bankruptcy of Seeburg in 1980.