US Patent 7922574 Slot machine and playing method thereof
Patent 7922574 was granted and assigned to Aruze Gaming America on April, 2011 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 30, 2007
0
Date of Patent
April 12, 2011
0
Patent Application Number
11806157
0
Patent Inventor Names
Kazuo Okada
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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