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Gambling on fame
Gambling on fame
Three versions of the "Happy Days" slot machines are Richie's Big Night, Cunninghams Go Wild and The Fonz.

A spokeswoman for WMS Gaming Inc., which manufactures the machines, says the slots have "performed well for the casinos" since being launched in 2008.



NEXT: Slot machines are a big hit
Last updated April 19 2011: 2:03 PM ET
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