1 result for “Owens-Corning Fiberglas”
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Patent · May 16, 1944
Asbestos-Cement Shingles (US Patent 2,348,804, 1944)
…1940. The patent's description opens (from the scanned text): This invention relates to the manufacture of asbestos-cement products and more particularly to products ofthis general character adapted for use as shingles or like elements…