ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,737, issued on March 31, was assigned to Saucony Inc. (Waltham, Mass.).

"Footwear sole and related method of use" was invented by Andrea A. Paulson (Waltham, Mass.), Christopher J. Mahoney (Concord, Mass.) and Aaron P. St. Peter (Hampstead, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A footwear construction including a sole assembly, which can include a midsole including a midsole support wall forming a compartment and a compression molded core constructed from thermoplastic polyester elastomer (TPEE) disposed in the compartment and shielded from abrasion in the environment of the footwear in use via the midsole support wall. The core can b...