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DOORBELL BATTERY SYSTEMS

14/728,975 | U.S. Patent Application

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Location ELECTRONIC
Filed June 2, 2015
Examiner ADNAN AZIZ
Class 340
Art Group 2687
Patent No. 10,062,251
Case Type Utility - 340/539170
Status Patented Case
Parent 14/685,544 Patented
Parent 14/726,517 Patented
Child 14/861,613 Patented
Last Updated: 4 years, 2 months ago
Date # Transaction