3 results for “Owens-Illinois”
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Patent · May 2, 1939
Method and Apparatus for Making Building Materials (US Patent 2,156,286, 1939)
…1935. The patent's description opens (from the scanned text): This invention relates to the manufacture of roofing materials andthe like and more particularly to a method and apparatus for applying a cement composition coating to…
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Patent · October 19, 1937
Roofing and Siding Element (US Patent 2,096,242, 1937)
…It was assigned to Bakelite Building Prod CO Inc. The patent's description opens (from the scanned text): This invention relates to roofing and siding elements intended for exposure to weather and for that'purpose provided…
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Patent · October 25, 1938
Roofing and Siding Elements (US Patent 2,133,988, 1938)
…1935. It was assigned to Bakelite Building Prod CO Inc. The patent's description opens (from the scanned text): The invention is also admirably suited to the formation of a laminated structure, comprising alternate layers of…