Patent 10076692 was granted and assigned to Acushnet (company) on September, 2018 by the United States Patent and Trademark Office.
A set of golf clubs including golf club heads having improved mass distribution characteristics. The set includes golf club heads having a club head main body including a hitting face, a muscle back shell and a weight insert disposed in the muscle back shell. The golf club heads have relatively low blade length while maintaining high moment of inertia.