Application
15729659 · Visible-Light and Sound-Based Passive Tracking System
Filed 2017-10-10 · Granted · Patent 9921309 (2018-03-20) The official file ↗The patent and its PDF ↗ · Art unit 2877 · Examiner Michael P Lapage Hard · CPC G01S 17/86 · 4Sense, Inc. · Larry G. Brown
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first was Notice of allowance
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2.1 mo
to disposition 5.3 mo
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