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• Written by: George J. Schreier ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · June 10, 1930

   Pipe Insulation (US Patent 1,762,276, 1930)

   …received US Patent No. 1,762,276 on June 10, 1930. The patent's description opens (from the scanned text): My invention relates to improvements in I pipe insulation, and it consists in the combinations, constructions…