ERS International, Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6142322 Plastic shelf rails for electronic shelf labels and locking clips for attaching same to metal shelvesExpiredJan 06, 99Nov 07, 00[A47F]
6130603 Low-powered RF-linked price display systemExpiredJun 13, 94Oct 10, 00[H04Q]
5461561 System for recognizing display devicesExpiredSep 10, 91Oct 24, 95[H04M, G06F]
5245534 Electronic tag location systemsExpiredSep 10, 91Sep 14, 93[G07G, G06F, G06K]

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