1 result for “Owens-Corning Fiberglas”
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Patent · August 2, 1927
Shingle Covering (US Patent 1,637,522, 1927)
…filed October 22, 1926. The patent's description opens (from the scanned text): This invention relates to shingle covering and consists 1n a novel assemblage of rectangular shingles and spacers, in which each -shingle and each…