GTECH SERVICES CORPORATION, A CORP. OF DE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4760247 Optical card reader utilizing area image processingExpiredApr 04, 86Jul 26, 88[G06K]
4736109 Coded document and document reading systemExpiredAug 13, 86Apr 05, 88[G06K]

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