1 result for “Owens-Corning Fiberglas”
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Patent · December 5, 1939
Asbestos-Cement Product (US Patent 2,182,353, 1939)
…353 on December 5, 1939, filed March 24, 1937. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to a method of making asbestos and cement products.