1 result for “Owens-Illinois”
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Patent · April 22, 1941
Insulated Structure (US Patent 2,239,394, 1941)
Harry W. Mackechnie received US Patent No. 2,239,394 on April 22, 1941, filed March 15, 1937. The patent's description opens (from the scanned text): The present invention relates to insulated building structures.