ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,397, issued on July 14, was assigned to Eddy Pump Corp..

"Stackable float assembly" was invented by Daniel Wahlgren (Escondido, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A float includes a body portion having a first side surface and a second side surface, an inner surface and an outer surface, the first and second side surfaces being generally planar and forming an acute angle therebetween, the inner and outer surfaces being non-planar, and the body portion configured such that when positioned laterally adjacent an inverted second float and vertically adjacent a third float, the first side surface of the float abuts a surface of the inv...