1 result for “Owens-Corning Fiberglas”
-
Patent · September 6, 1927
Composition Construction or Heat Insulating Material (US Patent 1,641,641, 1927)
…1927. The patent's description opens (from the scanned text): My invention relates to a novel composimaintain the bubbles of the aerated mass but I tion construction or heat insulating material which will not retard to…