Search

• Person: Wilbur F. Fischer ×
• Clear filters

1 result for “Owens-Corning Fiberglas”

1. Patent · March 18, 1941

   Tubular Insulation (US Patent 2,235,630, 1941)

   …It was assigned to Johns Manville. The patent's description opens (from the scanned text): This invention relates to a method and ma'- chine for winding sheet material into a tube and to the resulting tubular…