1 result for “Owens-Corning Fiberglas”
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Patent · June 6, 1944
Yarn (US Patent 2,350,504, 1944)
…US Patent No. 2,350,504 on June 6, 1944, filed July 16, 1943. The patent's description opens (from the scanned text): This invention relates to yarns and fabrics and methods of manufacturing the same.