ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,133, issued on Nov. 25, was assigned to X10D AG (Langenthal, Switzerland).

"Shoe sole" was invented by Jan Swager Van Dok (Grenchen, Switzerland) and Tobias Schumacher (Langenthal, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shoe sole with a guide element which is embedded between a ground contact surface and a foot contact surface of the shoe sole, is designed to control the optimum movement sequence of the foot, has a smaller width extension than the shoe sole and extends along an S-shaped line, in such a way that the shoe sole further supports the natural or correct gait of the user, it is proposed that the guide element is a pro...