Atari, Inc. he was being put to the side by Bushnell; Bushnell had left him out of several high-level meetings, assigned him to overseeing the manufacturing process but not the design work, and Dabney discovered Bushnell had patented his video circuit concept without him as an inventor. In March 1973, Dabney formally left Atari, selling his portion of the company for . While Dabney would continue to work for Bushnell on other ventures, including Bushnell's Pizza Time Theater, the predecessor to Chuck E. Cheese's, he had a falling out with Bushnell and ultimately left the video game industry. Dabney's contributions towards Atari's
Nolan Bushnell customer-side point-of-sale touch-screen terminals in addition to autonomous pizza delivery robots for Little Caesar's Pizza. The plan was for guests to order their food and drinks using screens at each table, on which they may also play games with each other and watch movie trailers and short videos. The multiplayer network type video games that allowed table to table interaction or even with table group play never materialized. Guest often spotted the OSX based machine being constantly re-booted in order to play much simpler casual video games. Another factor that possibly led to the failure of the restaurants was the