ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,449, issued on May 27, was assigned to NIKE Inc. (Beaverton, Ore.).

"Footwear strobel with bladder having grooved flange and method of manufacturing" was invented by Arick Auyang (Portland, Ore.), Derek Houng (Portland, Ore.), Eric A. Schmalzer (Portland, Ore.), Matthew Temple (Beaverton, Ore.), Jeffrey S. To (Portland, Ore.) and Geoffrey A Weston (Beaverton, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A strobel for an article of footwear comprises a polymeric bladder that defines an interior cavity. The polymeric bladder is configured to retain a fluid in the interior cavity. The polymeric bladder has a peripheral flange extending around at...