Inventor
DEFFEBACH III HARRY LEE
US11 patents
Patents
11 patentsUS9933509B2Apr 3, 2018
System for tracking an object using pulsed frequency hopping
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US11501244B1Nov 15, 2022
Package tracking systems and methods
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US10324474B2Jun 18, 2019
Spatial diversity for relative position tracking
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US12079006B2Sep 3, 2024
Spatial diversity for relative position tracking
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US10642560B2May 5, 2020
Accurate geographic tracking of mobile devices
POSITION IMAGING INC2 citations73
US11226395B2Jan 18, 2022
Tracking system with mobile reader
POSITION IMAGING INC2 citations72
US10634761B2Apr 28, 2020
Tracking system with mobile reader
POSITION IMAGING INC1 citations72
US10634762B2Apr 28, 2020
Tracking system with mobile reader
POSITION IMAGING INC2 citations72
US12008514B2Jun 11, 2024
Package tracking systems and methods
POSITION IMAGING INC0 citations62
US12000947B2Jun 4, 2024
Tracking system with mobile reader
POSITION IMAGING INC1 citations62
US11132004B2Sep 28, 2021
Spatial diveristy for relative position tracking
POSITION IMAGING INC0 citations52