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• Decade: 1920s ×
• Written by: Albert A. Durant ×
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1 result for “Owens-Illinois”

1. Patent · April 23, 1929

   Insulated Pipe (US Patent 1,709,844, 1929)

   …filed July 12, 1927. The patent's description opens (from the scanned text): This invention relates to insulated pipes and methods of applying such insulations, and - more particularly to means for and methods of insulating pipes…