1 result for “Owens-Illinois”
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Patent · September 9, 1969
Process for fast curing alkali metal silicate bonded product (US Patent 3,466,354, 1969)
…1967. It was assigned to Vermiculite Manuf Co. The patent's description opens: This invention relates to improvements in the manufacture of simulated masonry products formed and colored to look like brick, stone or the like…