Search

• Decade: 1940s ×
• Written by: Lee M. Hedges ×
• Clear filters

1 result for “Owens-Corning Fiberglas”

1. Patent · October 25, 1949

   Method and Apparatus for Expansion of Fibrous Mass (US Patent 2,486,217, 1949)

   …1945. The patent's description opens (from the scanned text): The invention is'particularly concerned with the expanding or stretching of condensed mats of the type built up as a plurality of layers or strata of…