ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,913, issued on Feb. 10, was assigned to Sivantos Pte. Ltd. (Singapore).

"Hearing instrument including a housing and at least one electroacoustic input transducer" was invented by Thilo von Mansberg (Erlangen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hearing instrument includes a housing and at least one electroacoustic input transducer adapted to generate a corresponding electrical input signal from an ambient sound. The housing has a sound entry opening. A sound channel, which guides a sound path from the sound entry opening to the input transducer, is formed inside the housing. A contamination filter, which is transmissive for soun...