ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,389,978, issued on Aug. 19, was assigned to RADICAL SPORTECH LLC (Taipei, Taiwan).
"Adjustable footwear" was invented by Neil Owen (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An adjustable footwear is provided, wherein the adjustable footwear includes: a sole including a guide slot and defining a longitudinal direction; a shoe body connected to the sole; a heel adjuster disposed in the shoe body and including a receiving body configured to accommodate a heel of a foot and at least one guide leg extending from the receiving body, the at least one guide leg being inserted in the guide slot, the receiving body being located above the so...