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

1. Patent · December 1, 1931

   Corrugating Machine (US Patent 1,834,648, 1931)

   …1930. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to an improvement 1n a corrugatlng machine, and more particularly in such a machine intended for treatingV…