2 results for “Owens-Corning Fiberglas”
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Patent · May 2, 1939
Cement Fibre Product (US Patent 2,156,311, 1939)
…2,156,311 on May 2, 1939, filed April 9, 1938. The patent's description opens (from the scanned text): This invention relates tocement products, and, more particularly, to waterproofed cement-fibrous products and to a…
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Patent · May 2, 1939
Art of Manufacturing Cement-Fibrous Products (US Patent 2,156,308, 1939)
…It was assigned to Bakelite Building Prod CO Inc. The patent's description opens (from the scanned text): This invention relates to a new method for the production of cement products and to the products resulting…