ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,231, issued on Dec. 9, was assigned to Shure Acquisition Holdings Inc. (Niles, Ill.).

"Microphone with first and second transducer assemblies" was invented by Roger Stephen Grinnip III (Lake Zurich, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microphone transducer is provided, the microphone transducer comprising a housing and a transducer assembly supported within the housing and defining an internal acoustic space. The transducer assembly includes a magnet assembly, a diaphragm disposed adjacent the magnet assembly and having a front surface and a rear surface, and a coil attached to the rear surface of the diaphragm and capable of moving...