ALEXANDRIA, Va., July 3 -- United States Patent no. 12,349,266, issued on July 1, was assigned to Knowles Electronics LLC (Itasca, Ill.).

"Externally grounded printed circuit board" was invented by Joshua Watson (Aurora, Ill.) and Adam Ariffin (Itasca, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments, the present disclosure is directed to a printed circuit board for a microphone assembly that includes a top layer structured for a MEMS transducer to be mounted thereon, a bottom layer, at least one edge, a ground plane, and a conductor electrically connected to the ground plane and the bottom layer. The MEMS transducer includes a transducer substrate, a back plate and a diaphra...