ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,309, issued on Nov. 25, was assigned to GAF Energy LLC (Parsippany, N.J.).
"Roofing shingles with fire retardant structure" was invented by David Henry Krevor (San Carlos, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a photovoltaic module installed on a roof deck, where the photovoltaic module comprises at least one solar cell; and a roofing shingle installed on the roof deck adjacent to the photovoltaic module, where the roofing shingles does not include a solar cell, where the roofing shingle includes a top surface and a bottom surface opposite the top surface, where the bottom surface of the roofing shingle is proximate...