ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,075, issued on April 29, was assigned to Trillytech S.r.l. (Rome).
"Height adjustable shoe heel" was invented by Veronica Crisafulli (Rome) and Alessandro Filosa (Rome).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shoe with a heel that is adjustable in height. The heel includes a hollow body fastened to a sole of the shoe, and provided with grooves arranged at different heights from one another. A group of components including a lever are inserted into the hollow body for mutual sliding. A button is connected to the lever for causing rotation of the lever. A locking element is connected to the lever to switch from a locked position to a sliding po...