1 result for “Owens-Illinois”
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Patent · September 17, 1940
Heat Insulation Material (US Patent 2,214,904, 1940)
…1940, filed March 21, 1938. The patent's description opens (from the scanned text): My invention pertains to heat-insulating compounds or mixtures and it relates more particularly, but not exclusively, to insulating mix tures of…