ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,203, issued on April 8.
"Metal roof shingle system and method of installation" was invented by Sanford J. Piltch (Allentown, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lightweight interlocking metal roof system for installation onto a steep or inclined structure roof either directly over the roof decking material or over an existing shingle roofing system, with the metal roofing system installed from the roof ridgeline down to the drip edge of the roof gutter. Cooperating outwardly extending flanges and receiving pockets for capturing and interlocking the metal panels of the roofing system create an interlock between and among panel member...