ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,286, issued on May 19, was assigned to ST TipTech LLC (Delray Beach, Fla.).

"Occlusion device capable of occluding an ear canal" was invented by Steven W. Goldstein (Delray Beach, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Occlusion devices, earpiece devices and methods of occluding an ear canal are provided. An occlusion device includes an insertion element, a foldable element and an expandable element. The foldable element is disposed on the insertion element and is configured to receive a medium via the insertion element. The expandable element is disposed over the foldable element. The foldable element is configured to unfold, responsive...