ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,604, issued on March 18, was assigned to Acushnet Co. (Fairhaven, Mass.).
"Dimple patterns for golf balls" was invented by Michael Madson (Easton, Mass.) and Nicholas Nardacci (Barrington, R.I.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Golf balls having a dimple pattern arranged in a tetrahedral layout are disclosed. The dimple pattern has four substantially identical dimple sections, where each dimple section is defined by a spherical triangle. The dimples in each of the four dimple sections have at least three different dimple diameters including a minimum dimple diameter, a maximum dimple diameter, and at least one additional dimple diamete...