ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,982, issued on May 20.

"Sole structure" was invented by Jianqiu Dong (Mengquan Town, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a sole structure comprising a sole body provided on the bottom of a shoe, the sole body having a plurality of grooves arranged on the bottom surface of the sole body from front to rear, the grooves extending across the sole body from left to right; a dividing groove provided on the bottom surface of the sole body and staggered across the grooves. Two shock-absorbing areas are provided on the left and right sides of the dividing groove between the front and rear grooves, and hexagona...