ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,913, issued on July 22.

"Training bat" was invented by Donald Ecker (Dallas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A training bat for optimizing the swing of a hitter includes a barrel portion and a handle portion connected to the barrel portion. The handle portion includes a handle having a generally cylindrical exterior surface that is engaged by a user to enable the user to grab and swing the training bat. The generally cylindrical exterior surface has a handle diameter sized large enough to substantially inhibit at least one hand of the user from wrapping around the generally cylindrical exterior surface when said at least one hand of th...