1 result for “Owens-Corning Fiberglas”
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Patent · August 1, 1933
Insulating Concrete (US Patent 1,920,358, 1933)
…7, 1931. It was assigned to Refractory and Engineering Cor. The patent's description opens (from the scanned text): This invention relates to a quick setting, strong concrete having particular utility as a heat resisting, heat…