Search

• Decade: 1930s ×
• Written by: Harry H. Rinehart ×
• Clear filters

1 result for “Owens-Corning Fiberglas”

1. Patent · June 2, 1936

   Pre-formed Semi-rigid Unit (US Patent 2,042,964, 1936)

   …2, 1936, filed November 2, 1932. It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to a preformed semirigid to J ohns-Manville Corporation, New York, N.