ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,232,560, issued on Feb. 25, was assigned to FUERST GROUP INC. (Menlo Park, Calif.).
"Footwear article for walking" was invented by Ciro Fusco (Portland, Ore.), Dewayne Dale (Portland, Ore.), Michael Leoniak (Milwaukie, Ore.) and Rory Fuerst (Atherton, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Footwear articles for walking are provided. In one example, a footwear article may include a midsole with a lower surface of constant curvature extending from a heel of the midsole to a toe of the midsole, wherein the lower surface maintains the constant curvature throughout a stance phase of a walking gait. In this way, a smooth step-to-step transition...