Search

• Decade: 1950s ×
• Written by: Edward T. Duke ×
• Clear filters

1 result for “Owens-Corning Fiberglas”

1. Patent · April 16, 1957

   Method for producing pipe covering and the like (US Patent 2,788,840, 1957)

   …1954. The patent's description opens (from the scanned text): This invention relates to helically wound air cell pipe covering and aims to provide an improved product of this type and a novel method and apparatus…