ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,596, issued on Dec. 9, was assigned to Werner Co. (Itasca, Ill.).
"Three section extension ladder" was invented by Preston L. Gealy (Youngstown, Ohio), Kevin L. McIntire (Stoneboro, Pa.) and Robert D. Beggs (Stoneboro, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An extension ladder including a base section and an intermediate fly section. The intermediate fly section slidably attached to the base section. The extension ladder including a top fly section. The top fly section sliding attached to the intermediate fly. The extension ladder including a handle having a first strap portion attached to the base section having a first buckle portion, a...