US Patent Issued to Topgolf Callaway Brands on March 25 for "Bent composite golf club shaft and methods for manufacturing bent composite golf club shafts" (California Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,764, issued on March 25, was assigned to Topgolf Callaway Brands Corp. (Carlsbad, Calif.).

"Bent composite golf club shaft and methods for manufacturing bent composite golf club shafts" was invented by Logan K. Johnston (Vista, Calif.), Robert Gonczi (Oceanside, Calif.), Brandon D. DeMille (Carlsbad, Calif.) and Patrick Dawson (Poway, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Lightweight, low-torque, composite golf club shafts with bent tips and methods of manufacturing such golf club shafts are disclosed herein. Some methods involve the use of pre-bent, rigid tubes that remain inside the finished composite shafts to support their bent ...