ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,574, issued on June 23.
"Billiards cue ball stroke training aid" was invented by Michael Nevarez (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "A billiard ball used as a training aid for billiards. The ball may include a cored through hole or a hollow or removed section sized to allow the head of a cue stick to be set therethrough. The holes may be set though the center, and may include a widened bevel side to allow for entry from various angles. The ball may include a flat surface offset by ninety-degrees from both apertures, and/or may be useful with a flat set piece. A dowel may be set in the through hole."
The patent was filed on April...