ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,855, issued on July 29, was assigned to Medici Technologies LLC (Albuquerque, N.M.).

"Hydration assessment system" was invented by Mark Ries Robinson (Albuquerque, N.M.), Elena A Allen (Albuquerque, N.M.), Cole Derby (Santa Clara, Calif.), Akifusa Nakazawa (Mountain View, Calif.), Haiping Liao (Chicago) and Michael Chad Makay (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides methods and systems that provide for reliable, convenient, and noninvasive assessment of hydration status. The methods and apparatuses can use the temporal sequence of the aortic value opening and closing along with the user's bod...