1 result for “Owens-Corning Fiberglas”
-
Patent · June 5, 1928
Elastic Insulating Material (US Patent 1,672,639, 1928)
…No. 1,672,639 on June 5, 1928, filed May 9, 1925. The patent's description opens (from the scanned text): This invention relates to heat insulation, and more particularly to the insulation of refrigerator cars.