| http://www.w3.org/ns/prov#value | - ess private branch exchange (WPBX) and communicating between mobile units and base stationsUS72481589 Jan 200624 Jul 2007Current Technologies, LlcAutomated meter reading power line communication system and methodUS72514893 Nov 200331 Jul 2007Strix Systems, Inc.Wireless base station neighbor discovery in a communication system, such as a system employing a short-range frequency hopping schemeUS7274
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