ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,786, issued on Sept. 23, was assigned to Nocira LLC (Tempe, Ariz.).
"External ear canal pressure regulation system" was invented by David George (Scottsdale, Ariz.), George Buckler (Phoenix) and David Brice Sullivan (Mechanicsburg, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An external ear canal pressure regulation device including a fluid flow generator and an earpiece having a first axial earpiece conduit fluidicly coupled to the fluid flow generator, whereby the earpiece has a compliant earpiece external surface configured to sealably engage an external ear canal as a barrier between an external ear canal pressure and an ambient pressure...