1 result for “Owens-Illinois”
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Patent · May 10, 1927
Process of Making Magnesia and Calcium Pentasulphide (US Patent 1,628,311, 1927)
…1,628,311 on May 10, 1927, filed December 11, 1923. The patent's description opens (from the scanned text): This invention has been described in connection with a number of illustrative materials, proportions, conditions, temperatures…