ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,068, issued on April 21.

"Apparatus for restraining movement of a ladder" was invented by Jeffrey L Sanders (Bakersfield, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for restraining the movement of a ladder is disclosed. The apparatus is formed of plate which can be attached to roof of a structure using nails or other fastening devices. In one embodiment of the present invention, the plate has a stationary bracket which extends from an edge of the plate. A movable bracket is attached to the plate which also has a portion that extends from the edge of the movable bracket. The stationary bracket and the moveable bracket coopera...