U.S. federal trademark · Serial No. 74551892 · Reg. No. 2002155
system for use in the manufacture of plastic film by blown film extrusion, comprised of an extruder, screen changer, die, air ring, internal bubble cooler, internal gauge control for equalizing film thickness, winder, and oscillating haul-off, sold as a unit
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.