Search

• Written by: Armin Elmendorf ×
• Clear filters

1 result for “Owens-Illinois”

1. Patent · January 25, 1927

   Heat Insulating Material (US Patent 1,615,801, 1927)

   …1927, filed February 4, 1921. The patent's description opens (from the scanned text): My invention has for its object to produce a simple, strong and durable material particularly adapted for use in walls for refrigerators…