ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,685, issued on Sept. 23, was assigned to GREAT PLAINS TOWER PRODUCTS LLC (Fargo, N.D.).

"Tower structure ballast tray interface" was invented by Kevin Reski (West Fargo, N.D.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tower structure includes a tower comprising a tower aperture arrangement; a ballast tray comprising a support interface; and an interface plate comprising a mount aperture arrangement and an interface plate aperture arrangement, the mount aperture arrangement within the interface plate aperture arrangement, the interface plate attachable to the support interface, the mount aperture arrangement specific to the tower which is to b...