ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,297, issued on Aug. 4, was assigned to Microchip Technology Inc. (Chandler, Ariz.).

"Locating an EMS unit closest to a source of a distress signal and notifying proximate personal devices" was invented by Daniel Boiangiu (Bucharest, Romania) and Valentin Stoia (Bucharest, Romania).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for distress signal monitoring with EMS and public notification in crowded public spaces. The method includes receiving a distress signal from a first personal device in a crowded public space; locating the first personal device closest to an EMS unit indicating that a user of the first personal device is in distress; t...