ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,891, issued on April 7, was assigned to ON CLOUDS GMBH (Zurich).

"Sole for a running shoe" was invented by Olivier Bernhard (Heiden, Switzerland), Ilmarin Heitz (Zurich, Switzerland), Kevin Dellion (Zurich, Switzerland), Nils Altrogge (Zumikon, Switzerland) and Oliver Hirvonen (Zurich, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sole for a running shoe having a midsole (1), the midsole (1) having a soft-elastic top layer (2) and a soft-elastic bottom layer (3), a flexurally elastic incompressible plate (4) being arranged in the vertical direction (V) between the top layer (2) and the bottom layer (3), and the bottom layer (3) having...