2 results for “Owens-Illinois”
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Patent · October 4, 1949
Calcareous Silicious Insulating Material, Method of Making (US Patent 2,483,498, 1949)
…1949, filed October 31, 1947. The patent's description opens (from the scanned text): Our invention relates to shaped or molded calcareous-silicious insulating material, and more particularly to an improved method of making such material.
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Patent · August 1, 1950
Molding apparatus (US Patent 2,517,001, 1950)
…filed October 31, 1947. The patent's description opens (from the scanned text): Our invention relates to molding apparatus, and more particularly to such apparatus adapted for the molding of light weight insulating material from an…