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• Decade: 1950s ×
• Written by: Arthur J. Bruno ×
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1 result for “Owens-Illinois”

1. Patent · October 1, 1957

   Thermal insulating bodies and method of manufacture (US Patent 2,808,338, 1957)

   …1952. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to handleable heat insulation shapes which have low thermal conductivity comparable to that of free still air…