3 results for “Owens-Illinois”
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Patent · January 23, 1945
Asbestos-Cement Pipe, Continuous method of Manufacture (US Patent 2,367,844, 1945)
…It was assigned to Lehon CO. The patent's description opens (from the scanned text): The invention relates to the art of making tubing and has more particular reference to a method of producing lined asbestos…
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Patent · June 9, 1942
Method and Apparatus for Forming Tubular Articles (US Patent 2,285,497, 1942)
…30, 1938. It was assigned to Lehon CO. The patent's description opens (from the scanned text): The invention relates to a new and improved method and apparatus for manufacturing tubular articles such as pipe, pillars…
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Patent · November 11, 1941
Tubular Articles (US Patent 2,262,636, 1941)
…It was assigned to Lehon CO. The patent's description opens (from the scanned text): The invention relates to a method of and means for making spiral woundpipe and similar cylindrical objects and has reference more…