ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,914, issued on July 21, was assigned to Putter Key LLC (Corte Madera, Calif.).
"Aiming key, putter and method for enhancing the accuracy of aiming" was invented by Lawrence Alioto (Corte Madera, Calif.) and David Englefield (Cranleigh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aiming key for enhancing the accuracy of aiming while putting a golf ball is provided that includes a body having a pair of parallel sides. Each side has a first terminus and a second terminus and a first end extends between the first terminus of each side. Moreover, the body includes an arcuate second end extending between the second terminus of each sid...