ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,577, issued on May 19.
"Tether ball type game system" was invented by Steven Dwyer (Madison, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A game system for playing on a horizontal surface includes vertical pole with a lower section telescopingly fixed with an aligned upper section. The lower section has a bottom end adapted for fixing with a base. An upper end of the lower section is adapted for receiving the upper section at a height adjustment mechanism. The base is adapted to engage the horizontal surface and may include a weight, a ground-penetrating spike, or the like. The upper section has a top end with a rigid implement connector adap...