ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,607, issued on March 18, was assigned to PARSONS XTREME GOLF LLC (Scottsdale, Ariz.).

"Golf club heads and methods to manufacture golf club heads" was invented by Robert R. Parsons (Scottsdale, Ariz.), Michael R. Nicolette (Scottsdale, Ariz.) and Bradley D. Schweigert (Cave Creek, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of golf club heads, golf clubs, and methods to manufacture golf club heads and golf clubs are generally described herein. In one example, a golf club head includes a body portion being hollow to define an interior cavity, a filler material in the interior cavity, a face portion, and a back portion having a b...