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1 result for “Owens-Corning Fiberglas”

1. Patent · May 14, 1940

   Building (wall) Insulation (US Patent 2,200,713, 1940)

   …1937. The patent's description opens (from the scanned text): This invention relates to a method of and an apparatus for building an insulating anket of insulation particles of mineral or (Wafer fibers or granules of…