ALEXANDRIA, Va., July 14 -- United States Patent no. 12,684,295, issued on July 14, was assigned to CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris) and UNIVERSITE DU MANS (Le Mans, France).

"Magnet assembly for electrodynamic loudspeaker motor, electrodynamic loudspeaker motor comprising same, and associated electrodynamic loudspeaker" was invented by Lionel Camberlein (Le Mans, France), Antonin Novak (Le Mans, France), Pierrick Lotton (Pruille le Chetif, France), Frederic Polet (Le Mans, France) and Etienne Gaviot (Le Mans, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnet assembly for an electrodynamic loudspeaker driver, comprising a first outer pair of axially magnetized, permanent ring...