ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,207, issued on March 18, was assigned to Brane Audio LLC (Austin, Texas).
"Electroacoustic drivers and loudspeakers containing same" was invented by Joseph F. Pinkerton (Austin, Texas), David A. Badger (Lago Vista, Texas), James A. Andrews (Austin, Texas), William Martin Lackowski (Austin, Texas) and William Neil Everett (Cedar Park, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Electroacoustic drivers that can be utilized in loudspeaker systems that utilize drivers having a magnetic negative spring (MNS) (such as reluctance assist drivers (RAD) and permanent magnet crown (PMC) drivers). The electroacoustic drivers can be used at all audio f...