ALEXANDRIA, Va., March 24 -- United States Patent no. D1,120,389, issued on March 24, was assigned to CERTAINTEED LLC (Malvern, Pa.).
"Shingle" was invented by Kermit E. Stahl (North Wales, Pa.) and Gregory F. Jacobs (Sullivan, Maine).
The patent was filed on March 8, 2022, under Application No. D/792,146.
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