Topic summary
Williams Electronics

Extracted from the Wikipedia article WMS Industries.
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 arcadevideo game market with its Pong clone Paddle Ball, eventually creating a number of video game classics, including Defender, Joust, and Robotron: 2084. In 1974, Williams Electronics, Inc. was incorporated as a wholly owned subsidiary of Seeburg, which changed its name to Xcor International in 1977. Williams Electronics was spun out as an independent company in 1981 after Seeburg filed for bankruptcy in 1979.