ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,176, issued on Aug. 12, was assigned to Sonova AG (Staefa, Switzerland).

"Protective element for an electroacoustic transducer of a hearing device or for a sound tube included in a hearing device" was invented by Erwin Kuipers (Wolfhausen, Switzerland) and Arno Rommeler (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are a protective element configured to be connected to an electroacoustic transducer or a sound tube included in a hearing device, the protective element comprising a 3D-shaped membrane enclosing a cavity with an opening at which the membrane is configured to connect to the transducer or sound tube, ...