1 result for “Owens-Corning Fiberglas”
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Patent · August 30, 1932
Process for Cold Enameling Asbestos Cement Plates (US Patent 1,874,974, 1932)
…It was assigned to Ruberoid Co. The patent's description opens (from the scanned text): The present invention relates to cold enameling of asbestos-cement facing plates and it has for an object a process permitting…