ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,902, issued on April 22, was assigned to AT&T Intellectual Property I LP (Atlanta).
"Facility management based on cumulative device location data" was invented by C. Wayne Crolley (Bryant, Ark.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the subject disclosure may include, for example, a process that determines a current location of a mobile device according to a horizontal reference, obtains a corresponding barometric pressure reading at the current location of the mobile device, and determines a current position of the mobile device according to the current location of the mobile device and the corresponding barometric pressure readin...