Patent 9522312 was granted and assigned to Acushnet (company) on December, 2016 by the United States Patent and Trademark Office.
A golf club head, and a method of making the golf club head, with an improved striking surface. The grooves are formed in the strike surface with tight tolerances. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, and a portion having a v-shape.