United Coin Machine Co. was an American slot route operator based in Paradise, Nevada.
For many years, United Coin was the largest slot route operator in Nevada.
[3] In 1980, Advanced Patent reached an agreement to sell United Coin to Bristol Silver Mines Co. for $13 million in cash and stock.
[6] Alliance canceled the deal a year later due to increased profits at United Coin.
[9] In July 2014, the company dropped the United Coin name and rebranded its operations in Nevada and Montana as Century Gaming Technologies.