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| US8221219 | 5 mai 2011 | 17 juil. 2012 | | Gaming machine displaying one wagered-on game symbol and method of play |
| USD245527 | 6 févr. 1976 | 23 août 1977 | | Game cabinet |
| USD313051 | 18 août 1987 | 18 déc. 1990 | | Combined random number electronic gaming and coupon dispensing machine |
