ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,691, issued on May 20, was assigned to Universitatsmedizin der Johannes Gutenberg-Universitat Mainz (Mainz, Germany).

"Device and method for determining sleep apnea" was invented by Haralampos Gouveris (Mainz, Germany), Muthuraman Muthuraman (Freimersheim, Germany), Matthias Schwabe (Mainz, Germany), Ali Abriani (Flensburg, Germany), Philipp Tjarko Boekstegers (Mainz, Germany), Sanja Mirjam Fassnacht (Mainz, Germany), Elena Schmitt (Frankfurt am Main, Germany) and Katharina Bahr (Mainz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device and method for determining the severity of sleep apnea using electroencephalography and electromyogra...