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• Written by: Frederic L. Pilliod ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · July 1, 1924

   Pipe Covering and Method of making same (US Patent 1,499,781, 1924)

   …1924, filed November 6, 1922. The patent's description opens (from the scanned text): My invention relates to the manufacture of non-heat conducting covering for steampipes or water-pipes, etc., and more particularly comprises certain…