ALEXANDRIA, Va., May 19 -- United States Patent no. 12,628,905, issued on May 19.

"Article of footwear having a sole with heel support and fluid cushioning system" was invented by Dustin Simone (Westerly, R.I.), Abimelec Ramos (Lynn, Mass.), Kathleen Liu (Somerville, Mass.) and John Greenhalgh (Foxboro, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An article of footwear includes an upper and a sole coupled to the upper. The sole includes an outsole to engage the ground, a midsole disposed above the outsole to support a foot of a wearer, and a heel support member disposed between the midsole and the outsole in a heel region of the sole. The sole includes a plurality of heel air chambers bounded by the...