ALEXANDRIA, Va., June 9 -- United States Patent no. 12,648,614, issued on June 9, was assigned to Avoli Inc. (Portland, Ore.).

"Footwear" was invented by Mark Oleson (Portland, Ore.), Richard Anguilla (Portland, Ore.), Erik Hernandez (Portland, Ore.), Eldon Jones III (Vancouver, Wash.) and Samantha Noyes (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Footwear comprises a sole assembly having a ground-contacting side, and an upper coupled to the sole assembly opposite the ground-contacting side. The upper defines a foot compartment configured to receive a wearer's foot. The sole assembly defines a plurality of sole-assembly vents that extend through the sole assembly and that are open both to ...