ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,121, issued on June 24, was assigned to Bose Corp. (Framingham, Mass.).

"Microphone placement in open ear hearing assistance devices" was invented by Andrew Todd Sabin (Chicago), Ryan C. Struzik (Hopkinton, Mass.), Aric J. Wax (Watertown, Mass.) and Daniel M. Gauger Jr. (Berlin, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A head-worn acoustic device includes at least one acoustic transducer disposed such that, in a head-worn state, the transducer is in an open-ear configuration in which an ear canal of a user of the head-worn acoustic device is unobstructed. The acoustic device also includes at least one microphone configured to capture aud...