ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,484,657, issued on Dec. 2.
"Rotatable midsole ambulatory footwear apparatus" was invented by Gordon G. Hay (Stowe, Vt.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a footwear apparatus includes placing footwear upper material onto a bottom portion of a midsole mold. The upper material includes a first portion residing within a cavity in the bottom portion of the midsole mold and a second portion extending beyond boundaries of the cavity in the bottom portion of the midsole mold. The method further includes closing a second portion of the midsole mold onto the bottom portion of the midsole mold, injecting midsole mold material...