ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,907, issued on Jan. 13, was assigned to Amplifi Tech (Xiamen) Ltd. (Xiamen, China).
"Shoe and manufacturing method thereof" was invented by Li-Wei Chen (Taoyuan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a shoe, comprising: a shoe sole having a bottom surface, a sidewall surface, and a top surface opposite to the bottom surface; a plurality of positioning structures disposed on the perimeter of the sidewall surface; and a foot covering part comprising at least one thread, in which each thread extends from one of the positioning structures to another positioning structure to form a thread extension part, an...