ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,246, issued on May 27.
"Putting aid" was invented by Jake Eto Arnold (Thornton, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A putter training aid has a first tab, a second tab, and a link. The first tab and second tab reside at an impact face of a head of a golf putter. The second tab is spaced from the first tab. The link is coupled to the first tab and the second tab. The link aligns, with the putter training aid releasably mounted on the head, with a sweet spot of the impact face to position the first tab and the second tab at the impact face bounding a region of the impact face defined between the first tab and the second tab. The regio...