Patents by Inventor Norman John Brozenick

Norman John Brozenick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Extruder with dual flighted extrusion screw
    Patent number: 4054403
    Abstract: An extruder has a single screw with two separate inlet hoppers feeding two separate screw flights to deliver two separate materials to a multiple channel extruder die.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: October 18, 1977
    Assignee: Borg-Warner Corporation
    Inventors: Robert Lee Hornbeck, Norman John Brozenick