1 result for “Owens-Corning Fiberglas”
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Patent · June 3, 1947
Molded Fibre and Cement Composition Product (US Patent 2,421,721, 1947)
…It was assigned to Philip Carey Manufacturing Co. The patent's description opens (from the scanned text): This invention relates to molded composition products and relates particularly to rigid molded composition products of hardened cementitious material…