ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,735, issued on March 31, was assigned to ECCO Sko A/S (Bredebro, Denmark).
"Article of footwear" was invented by Frank Jensen (Bredebro, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "An article of footwear includes an upper having a first ground facing surface. A primary sole part has a first foot facing surface and a second ground facing surface. The first foot facing surface includes a plurality of openings, each opening defining a volume extending in a vertical direction from the first foot facing surface towards the second ground facing surface having a closed end. A secondary sole part has a second foot facing surface and a third grou...