Search

• Decade: 1940s ×
• Written by: Frank G. Boschke ×
• Clear filters

1 result for “Owens-Corning Fiberglas”

1. Patent · April 15, 1941

   Pipe Connection (US Patent 2,238,169, 1941)

   …October 1, 1938. It was assigned to Johns Manville. The patent's description opens (from the scanned text): The present invention relates to improvements in pipe connections, such as employed between service pipes and mains, tanks…