ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,663, issued on Dec. 2.
"Method and device for preventing sprained ankles" was invented by William Gilmore (Nashville, Tenn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a shoe insole comprising an inner sole having one or more of a support portion in the rearfoot exterior quadrant, a cushioning portion in the forefoot interior quadrant, a cushioning portion that extends from the forefoot interior quadrant to the forefoot exterior quadrant, and a cushioning portion in the rearfoot interior quadrant and the rearfoot exterior quadrant. Methods of making, using, and positioning the disclosed shoe insole and the components ther...