1 result for “Owens-Corning Fiberglas”
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Patent · July 22, 1930
Insulation for Pipe Fittings (US Patent 1,771,134, 1930)
…1927. The patent's description opens (from the scanned text): My invention relates particularly to formed insulation for pipefittings of various kinds and has for one of its primary objects the construction of such insulation in…