4 results for “Owens-Illinois”
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Patent · November 18, 1930
Method and Apparatus for Preparing Wet Mixtures (US Patent 1,781,728, 1930)
…1930, filed October 29, 1927. The patent's description opens (from the scanned text): This invention relates to a. method of and apparatus for preparing and manipulating wet or semi-wet mixtures of niaterials, which are…
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Patent · April 9, 1929
Thick Sheets of Bonded Asbestos (US Patent 1,708,842, 1929)
…filed November 15, 1927. The patent's description opens (from the scanned text): This invention relates to the formation of bloclrs, slabs and the like of fibre-concrete and has for its object the production of…
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Patent · August 8, 1939
Article of Manufacture (Blackboard) (US Patent 2,168,445, 1939)
…8, 1939, filed March 7, 1936. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to an article of manufacture, particularly to a blackboard or blackboard base.
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Patent · December 11, 1928
Process for Finishing the Surfaces of Bonded Asbestos and the like, and Resulting Product (US Patent 1,695,253, 1928)
…24, 1925. It was assigned to Asbestos Wood & Shingle Co. The patent's description opens (from the scanned text): The present invention relates to a process for providing a finished, polishedsurface upon cement bonded fibrous-materials…