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• Decade: 1930s ×
• Person: Rene Dorn ×
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1 result for “Owens-Corning Fiberglas”

1. Patent · June 18, 1935

   Cementitious Sheet (US Patent 2,004,935, 1935)

   …1932. The patent's description opens (from the scanned text): This invention pertains generally to the class of cementitious materials and particularly to the class of cementitious materials which are adapted to be formed for structural…