US2019383921A1
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Tracking system for persons and/or objects
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US2017243080A1
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Automated location visit verification for officer monitoring systems
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US2017220829A1
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Tracking system for persons and/or objects
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US2015015407A1
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Display system for tracking large numbers of persons and/or objects
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US2014210617A1
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System to facilitate well-being checks
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Graphical interface for configuring enterprise-wide computer systems
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US2007226732A1
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Flow chart programmable data collector
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Guard tour event notification system
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US2006248167A1
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Wireless devices as guard tour checkpoint data collection and checkpoint data communication devices
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US2006214776A1
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Displays for reporting guard tour data
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US2003040888A1
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Guard tour system incorporating a positioning system
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US2004057217A1
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Impact resistant electronic data module housing
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US2003006060A1
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Mount for touch memory button carriers
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US6834259B1
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Guard tour system
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