ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,151, issued on Aug. 12, was assigned to Bose Corp. (Framingham, Mass.).
"Earpiece passive noise attenuating" was invented by Michael J. Monahan (Southborough, Mass.), Ryan C. Silvestri (Franklin, Mass.), Eric M. Wallace (Andover, Mass.) and Kevin P. Annunziato (Medway, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An earpiece with structure for positioning and retaining the earpiece and with structure for sealing against the entrance to the ear canal to provide passive noise attenuation. The positioning and retaining structure engages features of the lateral surface of the ear. The structure for sealing against the entrance to the ear canal i...