ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,428, issued on Nov. 18, was assigned to The Secretary of State for Defence (Salisbury, Great Britain).

"Device and method for tracking objects" was invented by Paul Richard Roberts (Salisbury, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and tracker for determining the location of an object, such as a parcel or luggage. The tracker periodically transmits a wireless access point beacon comprising SSID (network name) and a MAC address, in accordance with an IEEE 802.11 standard, has a power storage device, and an energy harvesting module. A server monitors data from 3rd party mobile devices regarding the locations of wifi beac...