Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 7, 2023
0Patent Application Number
168091150
Date Filed
March 4, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
Methods and apparatus for detecting the retention of a car key by a customer after return of a rental car are disclosed. A plurality of RFID tags having a common identifier are attached to the rental car keys. The shuttle bus or other facility exit is equipped with a detection portal configured to detect a RFID tag having the common identifier and provide a signal upon detection of the RFID tag to a monitor that provides an alert upon receipt of the signal.
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