ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,106, issued on Nov. 4, was assigned to Converse Inc. (Boston).

"Article of footwear including a sole structure" was invented by Gavin D. Engel (Boston), ZhiQiang Li (Andover, Mass.), Daniel J. Martin (Boston), Jun Ming Huang (Foshan, China), Chao Bi Xian (Boston) and Guoping Zhao (Zhongshan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sole structure for an article of footwear having a midsole having a support surface extending from a posterior end to an anterior end, the midsole having an outer surface and an inner surface, wherein the support surface and the inner surface surround a cavity, the midsole also including an inner rail extendi...