Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Charles D. Stunson0
Robin Dale Katzer0
Lynn Neir0
Date of Patent
May 4, 2010
Patent Application Number
11857033
Date Filed
September 18, 2007
Patent Primary Examiner
Patent abstract
A system is provided for location monitoring. The system includes an event sensor and a sonar sensor in communication with the event sensor. The event sensor detects an event at a location. The sonar sensor determines a presence at the location.
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