ALEXANDRIA, Va., June 25 -- United States Patent no. 12,337,566, issued on June 24.

"Method for processing colored pattern on shoe material" was invented by Tongju Chen (Guangdong Province, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to the technical field of shoe material processing, and in particular to a method for processing a colored pattern on a shoe outsole material. The colored pattern is printed on a fiber membrane, and the membrane material printed with the colored pattern and a manufactured rubber shoe material are then placed in a compression mold to combine them totally to achieve good quality. This disclosure can make any design pattern without limitation and ef...