ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,460, issued on Aug. 12, was assigned to ZOLL Medical Corp. (Chelmsford, Mass.).

"System for assisting rescuers in performing cardio-pulmonary resuscitation (CPR) on a patient" was invented by Gary A. Freeman (Waltham, Mass.), Jing Pan (Newton, Mass.) and Ziad F. Elghazzawi (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for assisting a rescuer in performing cardio-pulmonary resuscitation (CPR) on a patient includes: a proximity sensor configured to be positioned at a location corresponding to a location of a rescuer's hand when delivering compressions to a patient's chest, the proximity sensor configured to produce a signal in...