ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,369, issued on Oct. 27, was assigned to ESSITY HYGIENE AND HEALTH AKTIEBOLAG (Gothenburg, Sweden).

"Active compression device and pressure unit" was invented by Nagarajan Muthuraman Thoppey (Hamburg, Germany), Geoffrey Spinks (Wollongong, Australia), Christopher Richards (Wollongong, Australia) and Kevin M. Tucker (Hickory, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device for applying pressure to a body part of a subject includes a plurality of pressure units. Each pressure unit of the pressure units includes a support structure, and a movable structure movably supported by the support structure and having three translational de...