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• Decade: 1930s ×
• Written by: Arthur B. Cummins ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · March 3, 1936

   Heat Insulating Composition (US Patent 2,033,106, 1936)

   …1936, filed July 27, 1932. It was assigned to Johns Manville. The patent's description opens (from the scanned text): The present invention relates to improvements in the manufacture of heat insulation compositions, and, in particular…