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Physical access device status indicator - Key Fob Reminder Disclosure Number: IPCOM000016516D
Original Publication Date: 2003-Jun-26
Included in the Prior Art Database: 2003-Jun-26

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Creation of physical indications on locking devices, such as keys, as to the last operation that was performed with that physical device. An automated key fob that remembers, amongst other things, if the key has been used to lock a vehicle.