ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,965, issued on June 10, was assigned to Acushnet Co. (Fairhaven, Mass.).

"High hardness gradient golf ball cores and methods of making same" was invented by Erin McDermott (Providence, R.I.) and Manjari Kuntimaddi (Raynham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions including a water releasing agent and golf ball cores made from such compositions having a high hardness gradient are disclosed. The type and concentration of the components in the composition, including the water releasing agent, affect the hardness and hardness gradient of cores made from the composition and, thus, can be used to produce a golf ball having desira...