1 result for “Owens-Illinois”
-
Patent · July 7, 1936
Heat Insulating and Fireproof Materials (US Patent 2,046,494, 1936)
…1936, filed May 26, 1934. The patent's description opens (from the scanned text): The present invention relates to processes for improving the fire-proof, heat insulating, and other properties of products consisting chiefly of asbestos…