Assignee

SCIENT GAME ROYALTY CORP

US·1 granted patent·25 citations·filing 2004–2004

Technology mixG06K1 G07D1

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0175US7252222B2Embedded optical signatures in documentsSCIENT GAME ROYALTY CORP·Filed 2004·Granted Aug 7, 2007·25 cites·6 claims

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