ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,877, issued on June 3, was assigned to Tile Inc. (San Mateo, Calif.).

"User intervention based on proximity between tracking devices" was invented by Guilherme de Barros Chapiewski (Cupertino, Calif.), Melody Quintana (San Carlos, Calif.), Mayank Kumar (San Francisco), Tyler Lettau (Hercules, Calif.) and Wayne Patterson (Burlingame, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tracking system can provide intervention notifications to a user to notify the user that a tracking device is potentially lost or is in a predicted state. The tracking system may notify the user that a tracking device is potentially lost or in a predicted state based...