US Patent Issued to Karsten Manufacturing on Sept. 15 for "Golf club alternative fitting system" (British, American Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,412, issued on Sept. 15, was assigned to Karsten Manufacturing Corp. (Phoenix).

"Golf club alternative fitting system" was invented by Alex J. Hope (London) and Erik M. Henrikson (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is an alternative fitting system for golf clubs including an adapted production head with a threaded hosel and a shaft sleeve adapter and a compression nut. The shaft sleeve adapter is permanently adhered to a golf club shaft. The compression nut holds together the shaft sleeve adapter and the threaded hosel of the club head. Alignment notches on the threaded hosel and alignment features on the shaft sle...