1 result for “Owens-Corning Fiberglas”
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Patent · July 3, 1934
Heat Insulating Material (US Patent 1,964,964, 1934)
…1934, filed June 29, 1931. The patent's description opens (from the scanned text): The invention relates to a process for fabricating a quilted, lamellar structure composed of light, soft fibers supported and held in place…