ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,918, issued on Dec. 9, was assigned to Interacoustics A/S (Middelfart, Denmark).

"Spectro-temporal modulation test unit" was invented by Soren Laugesen (Middelfart, Denmark), Bue Bjerge Kristensen (Middelfart, Denmark), Thomas Behrens (Smorum, Denmark), Raul Sanchez-Lopez (Middelfart, Denmark), Johannes Zaar (Smorum, Denmark), Nicholas Crowe (Smorum, Denmark), James Michael Harte (Smorum, Denmark) and Lisbeth Birkelund Simonsen (Middelfart, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to an electrophysiologically based Spectro-Temporal Modulation (STM) test unit. The STM test unit comprises an STM stimulus ge...