ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,351, issued on July 28, was assigned to WhyGolf LLC (Escondido, Calif.).
"Slope estimator training apparatus and related method" was invented by Bradley R. Mason (Escondido, Calif.) and Jeffrey T. Mason (Escondido, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A slope estimator training apparatus has an apparatus body with a top surface having one or more sloped surfaces. A center segment extends across an apparatus periphery of the apparatus body and partitions the apparatus body into a first section and a second section. Each of the first and second section have a sloped surface. The slope estimator training apparatus further includes slop...