ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,908, issued on May 19, was assigned to Under Armour Inc. (Baltimore).
"Article of footwear with multiple durometer outsole" was invented by Michael Glancy (Baltimore), Matthew Cougle (Baltimore), Kris deGrano (Baltimore) and Ryan Olkowski (Baltimore).
According to the abstract* released by the U.S. Patent & Trademark Office: "An article of footwear includes a sole structure effective to increase traction on a support surface and including first and second sets of lugs. The first lugs can bend or move so as to decrease in dimension a greater amount in comparison to the second lugs in response to a force being applied to each of the first lugs and the second lugs."
The patent was f...