ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,985, issued on May 20, was assigned to GLORY STEEL ENTERPRISE Co. LTD. (Taichung, Taiwan).
"Eco-friendly method of manufacturing shoe material, semi-finished, and foamed shoe material made thereby" was invented by Yi-Liang Chen (Taichung, Taiwan) and Pao-Hsin Wang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing the foamed shoe material and semi-finished product including the following steps. Step S1: a foamable material is injected into a cavity of a blank mold to solidify, thereby generating a semi-finished product of the shoe material and a runner waste that are unfoamed. The runner waste could be shed fo...