Ithaca Media Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6549750 Printed book augmented with an electronically stored glossaryExpiredOct 22, 99Apr 15, 03[G09B]
6269238 Printed book augmented with associated electronic dataExpiredJul 12, 99Jul 31, 01[G09B, G06F]
5957697 Printed book augmented with an electronic virtual book and associated electronic dataExpiredNov 25, 98Sep 28, 99[G06F]
5954515 Printed book augmented with associated electronic dataExpiredAug 20, 97Sep 21, 99[G06F]
5946676 Information delivery systemExpiredNov 03, 97Aug 31, 99[G06F]

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