ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,740, issued on June 2, was assigned to ZOLL Medical Corp. (Chelmsford, Mass.).

"Systems and methods for determining compression depth and providing feedback during active compression decompressions" was invented by Paolo Giacometti (North Grafton, Mass.), Naghmeh Mostofi (Belmont, Mass.), Gary A. Freeman (Waltham, Mass.), Annemarie E. Silver (Bedford, Mass.), James R. Homuth (Corcoran, Minn.) and Joshua W. Lampe (Groton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for assisting with cardiopulmonary resuscitation (CPR) includes an active compression decompression (ACD) device configured for a user to push downward and pull upward on ...