ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,326, issued on Dec. 2, was assigned to Karsten Manufacturing Corp. (Phoenix).
"Golf clubs and golf club heads" was invented by David N. Franklin (Quintana Roo, Mexico) and Jamil Jacaman (Forth Worth, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is a golf club head with a ball striking face including a plurality of recesses, a plurality of first grooves, and a plurality of second grooves that extend between a heel edge and a toe edge of the club head. The ball striking face includes a first material, for example a metal material, and the plurality of recesses are filled with a fill material, for example a polymer material. The de...