Search

• Written by: Steven B. Avery ×
• Clear filters

1 result for “Owens-Illinois”

1. Patent · March 28, 1944

   Apparatus for Extrusion of Plastic Material in Tubular Form (US Patent 2,344,959, 1944)

   …filed August 26, 1941. It was assigned to Ruberoid Co. The patent's description opens (from the scanned text): This invention relates to apparatus for the manufacture, by extrusion thrsugh a die, of pipes or tubes…