ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,413, issued on Nov. 18, was assigned to Timothy Kelley (Woodbury, Minn.).
"Swing training apparatus" was invented by Timothy Jay Kelley (Woodbury, Minn.) and Gregg Curtis Ellingson (Bayport, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments of a swing training apparatus are disclosed. The apparatus includes an adjustable base assembly having an adaptor adapted to connect the adjustable base assembly to a support and a rotating carrier connected to the support, a ball arm assembly connected to the support, and a casting indicator assembly connected to the rotating carrier. The casting indicator assembly includes a casting arm a...