ELECTRONIC RETAILING SYSTEMS INTERNATIONAL, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6130603 Low-powered RF-linked price display systemExpiredJun 13, 94Oct 10, 00[H04Q]
6016481 Space management systemExpiredDec 08, 97Jan 18, 00[G06F, G07G]
5977998 Technique for communicating with electronic labels in an electronic price display systemExpiredFeb 03, 97Nov 02, 99[G06F]
5864325 Technique for communicating with electronic labels in an electronic price display systemExpiredFeb 03, 97Jan 26, 99[H01R]
5704049 Subglobal area addressing for electronic price displaysExpiredMay 23, 94Dec 30, 97[G06F]
5632010 Technique for communicating with electronic labels in an electronic price display systemExpiredDec 22, 92May 20, 97[G06F]
5583487 System for locating display devicesExpiredMar 17, 94Dec 10, 96[G06F]
5553412 Information display rail systemExpiredMar 25, 93Sep 10, 96[G09F]
5532465 Technique for locating electronic labels in an electronic price display systemExpiredMar 08, 94Jul 02, 96[G06F, G06K]
5473832 Non-slidable display labelExpiredOct 23, 92Dec 12, 95[G09F]
5467474 Display system with section addressabilityExpiredMar 17, 94Nov 14, 95[G08B, G09F, G06F]
5461561 System for recognizing display devicesExpiredSep 10, 91Oct 24, 95[H04M, G06F]
5448226 Shelf talker management systemExpiredFeb 24, 94Sep 05, 95[G06F, G06K]
5374815 Technique for locating electronic labels in an electronic price display systemExpiredMar 15, 93Dec 20, 94[G06F, G06K]
5348485 Electronic price display system with vertical railExpiredApr 12, 93Sep 20, 94[H01R]
5241467 Space management systemExpiredApr 30, 92Aug 31, 93[G06F]
5172314 Apparatus for communicating price changes including printer and display devicesExpiredMay 03, 91Dec 15, 92[G06F]

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