ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,567, issued on Oct. 7, was assigned to LITTLE GIANT LADDER SYSTEMS LLC (Springville, Utah).

"Extension ladder, ladder components and related methods" was invented by Jay Ballard (Mapleton, Utah), Christian Smith (Highland, Utah), Gary Jonas (Springville, Utah), Sean Peterson (Payson, Utah) and Brian Russell (Saratoga Springs, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ladder is provided having a base section and a fly section slidably coupled with the base section. The base section includes a first pair of spaced apart rails and a first plurality of rungs extending between and coupled to the first pair of spaced apart rails. The fly sectio...