ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,474, issued on Feb. 3, was assigned to GAF Energy LLC (Parsippany, N.J.).
"Electrically grounding metal roofing shingles with photovoltaic systems" was invented by Thierry Nguyen (San Francisco), Gary Rossi (San Francisco), Peter Wilke (San Jose, Calif.), David Meakin (Santa Clara, Calif.), Anshul Gaur (San Francisco) and Brian West (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roofing system, including at least a first, second, and third metal roofing shingle installed on a roof deck adjacent to a plurality of photovoltaic modules, the first and second metal roofing shingles installed in a first row on the roof deck, the third meta...