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• Decade: 1930s ×
• Written by: Roy R. Graves ×
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1 result for “Owens-Illinois”

1. Patent · January 16, 1934

   Construction of Insulated Walls (US Patent 1,944,079, 1934)

   …filed February 24, 1932. The patent's description opens (from the scanned text): This invention relates to construction of insulated walls; and it comprises a process of constructing an insulated wall by the steps of erecting…