ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,731, issued on Oct. 14, was assigned to Acushnet Co. (Fairhaven, Mass.).
"Golf ball core with tailored hardness gradient" was invented by Michael Michalewich (Norton, Mass.) and Doug Goguen (Lakeville, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions including a hardness agent and golf ball cores made from such compositions having a tailored hardness gradient are disclosed. The type and concentration of the components in the composition, including the hardness agent, affects the hardness, hardness gradient, and compression of cores made from the composition and, thus, can be used to produce a golf ball having desirable performance c...