ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,909, issued on July 29.
"Roofing shingle delivery system" was invented by Dwight Smith (Bedford Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roofing shingle delivery system for supporting a pallet on a peaked roof. The system includes a pair of adjustable brackets adapted to support the pallet on the peaked roof. Each of the pair of brackets includes a horizontal upper member. Each of the pair of brackets includes a first lower supporting brace and a second lower supporting brace. The first lower supporting brace and the second lower supporting brace are arranged to be disposed directly on opposite sides of the peaked roof."
The p...