ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,384, issued on April 29, was assigned to ZOLL Medical Corp. (Chelmsford, Mass.).

"Automated detection of cardiopulmonary resuscitation chest compressions" was invented by Qing Tan (Winchester, Mass.), Frederick J Geheb (Lenexa, Kan.), Gary A Freeman (Waltham, Mass.), Frederick K Newey (Pelham, N.H.) and Kristin A Spang (Nashua, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for assisting a rescuer in providing cardiopulmonary resuscitation (CPR) chest compressions includes a motion sensor configured to generate motion sensor signals indicative of chest motion and a defibrillator. The defibrillator includes a processor and a display scre...