ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,878, issued on May 20, was assigned to Ubiety Technologies Inc. (Chicago).

"Electronic device identification using emitted electromagnetic signals" was invented by Augusto Savaris (Chicago), Joseph Loftus (Seattle), Michael B. Cox (Chicago) and Keith Puckett (Chicago).

According to the abstract* released by the U.S. Patent & Trademark Office: "Machine learning-based methods are disclosed to identify the types of electronic devices present in an area using emitted passive electromagnetic signals (e.g., RF signals such as Bluetooth, WiFi, and/or cellular). The identification of the electronic devices improves private and public security in determining human presence and device pres...