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Patent applications and USPTO patent grants for Cheung; Dorothy P..The latest application filed is for "system for providing a game at a gaming machine".
Patent | Date |
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Gaming system and method providing a group award presentation of a plurality of similar or identical awards Grant 9,418,507 - Palchetti , et al. August 16, 2 | 2016-08-16 |
System for providing a game at a gaming machine Grant 9,412,229 - Wolf , et al. August 9, 2 | 2016-08-09 |
System For Providing A Game At A Gaming Machine App 20150269810 - Wolf; Bryan D. ;   et al. | 2015-09-24 |
Gaming System And Method For Converting Awards To Free Games And Free Game Opportunities App 20150221168 - Spark-Stahl; George E. ;   et al. | 2015-08-06 |
Gaming System And Method Providing A Group Award Presentation Of A Plurality Of Similar Or Identical Awards App 20140011563 - Palchetti; Johnny L. ;   et al. | 2014-01-09 |
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